Prince William and his wife, Kate Middleton, boarded the royal yacht Britannia, which was docked in Edinburgh, this afternoon in order to celebrate his first cousin Zara Phillips's wedding with a cocktail party! Kate recycled the green Diane von Furstenberg dress she wore during her visit to LA earlier this month. Prince Harry was also in attendance, and he was spotted ascending the same carpeted stairs that the bride and her husband-to-be, Mike Tindall, walked up. Zara was decked out in a dress from Alice and Olivia. Princesses Beatrice and Eugenie also colorfully turned out, along with the elder's boyfriend, Dave Clark. Zara Phillips and Mike Tindall will marry tomorrow at the city's Canongate Kirk, and her royal relatives will be out in full force. Kate and William often go by their titles of the Duke and Duchess of Cambridge, but their Scottish equivalents are the Earl and Countess of Strathearn. Scotland is a special place for the couple, as it's where they met and fell in love while students at the University of St. Andrews. Wales, though, has been their home as of late, as it's where William works with the Royal Air Force when not traveling with Kate for family obligations.

Stephen Moyer joined his wife and costar, Anna Paquin, who wore a Stella McCartney dress, last night at HBO's Summer TCA panel in Beverly Hills. The True Blood couple were accompanied by the show's creator, Alan Ball, during a discussion with the press about the show's past, present, and future. The vampire drama hasn't officially been picked up by the network for a fifth season, though Ball confirmed that he's inked a multiyear contract with HBO that binds him personally to at least one more year. The most recent episodes have delivered the shirtless scenes we've come to love, and Alexander Skarsgard spoke about his wardrobe, or lack thereof, last week at Comic-Con.

Kate Moss was at the Splendour in the Grass festival in Queensland, Australia, today to watch her husband, Jamie Hince, take the stage with The Kills. Following his set, she ventured over to the shopping area, and she left with a bag full of goodies from the shop Tree of Life. She and Jamie have been in Australia for one week as he tours down under. They're due for a weekend show in Japan, then are heading to the US for more dates. Kate made the rounds this afternoon with pals like TV presenter Kylie Speer. Gwyneth Paltrow is rumored to arrive tomorrow to check out her spouse, Chris Martin, as he takes the stage with Coldplay. First up, though, will be Kayne West this evening, and Kate and Jamie are apparently sticking around to watch his antics.

Mila Kunis wore a rosy Lanvin cocktail dress today as she teamed up with Justin Timberlake at their latest Friends With Benefits event in Germany. The costars arrived for a photocall at Berlin's Hotel Adlon and got cozy on the black carpet for pictures. The city is the latest stop on their overseas tour. Mila chose a white Elie Saab look earlier this week as she and Justin debuted their romantic comedy in Moscow. The movie opened in America last weekend, and while Justin and Mila are still keeping busy on the promotional trail, they both have their next projects to look forward to. Mila will join her costars James Franco, Rachel Weisz, and Michelle Williams in Michigan soon to work on Oz: The Great and Powerful, while Justin is looking forward to the upcoming release of his sci-fi action movie In Time.

Prince William's first cousin Zara Phillips left Canongate Kirk in Edinburgh, Scotland, this morning with her fiancé, Mike Tindall. Mike and Zara announced their plans to wed last December, after they started dating in 2003. The couple bonded over a shared love of sports — Zara is an accomplished equestrian, and Mike is an internationally known rugby player. The couple are due to tie the knot tomorrow in a ceremony that will bring out many of her royal relatives. Zara's grandmother Queen Elizabeth and mother, Princess Anne, will be there. Zara's father, Captain Mark Phillips, who split up with Anne in 1992, is to watch his daughter wed alongside his second wife, Sandy Pflueger. Prince William will attend along with his wife, Kate Middleton. Kate and William's Scottish titles, the Earl and Countess of Strathearn, will be used while they're in the Northern region of the UK.

The fun is expected to commence tonight, when many of the younger family members are invited to a party on a yacht. Zara has been prepping for her own big day at the city's Balmoral hotel with her brother Peter's wife, Autumn, who is Canadian. Rumors suggest that Zara, who doesn't use a royal title due to a decision of Anne's, will wear a gown from the London-based designer Stewart Parvin. The coverage of Zara and Mike's nuptials isn't supposed to be a public event, and the queen told Zara and Mike recently that she forbid them from selling photos to Hello magazine. Nonetheless, we're excited to see the whole royal clan dress up for tomorrow's festivities!

Rachel Zoe was in NYC yesterday for a press event supporting a new line of lipsticks called Exude. She had her husband, Rodger Berman, there as well, along with their The Rachel Zoe Project buddy, makeup artist Joey Maalouf. We managed to snag a minute with Rachel to chat about her beauty tips — stay tuned for that on Bella later — as well as some thoughts on her designing a children's line and what she likes to see her baby son, Skyler, wear. Skyler himself didn't attend the bash since he was off enjoying time with Rachel's mom! Rachel told us:

• On designing children's clothes: "I honestly don't know, I can't imagine that I won't do something with baby clothes. I just can't imagine not doing it, because it's just so intriguing to me right now because dressing my son is the highlight of my day. In the morning it's just so much fun . . . and as soon as he's old enough to realize that he's old enough to have Gucci and Missoni in the closet I am ripping out the labels because I don't want him to get wrapped up in that. But right now, for me, it's so much fun. I mean, listen, I didn't have a girl so I have to play dress up with my son for as long as I can."
• On what she likes him in best: "Everything is so cute on him! Little rompers and onesies and little jackets and the cardigans! You can't imagine. The Missoni sweater on him — you have no idea — it melts my heart! And he sits in his little Missoni stroller with the Missoni blanket. I'm a Missoni lover."

James Franco hugged his costar Freida Pinto as he arrived at last night's LA premiere of Rise of the Planet of the Apes. James flew back to California from Detroit, where he's currently shooting Oz: The Great and Powerful, for the debut of the science-fiction film. The actor also brought a date to the event and left with his arm around the leggy redhead after completing his red-carpet duties. James announced his split from Ahna O'Reilly, his girlfriend of five years, in a new interview with Playboy. Freida, his onscreen leading lady, looked stunning in an electric green Juan Carlos Obando gown and Brian Atwood pumps. She was without her longtime boyfriend, Dev Patel, on the red carpet, but Tom Felton had two of his loved ones on hand to support his latest film — his girlfriend, Jade Gordon, and his Harry Potter costar Rupert Grint. Rupert even arrived to the premiere wearing a shirt that read "I ♥ Tom Felton"! Stay tuned for today's PopSugar Rush for even more from the premiere.

Nicole Richie hit the red carpet last night to celebrate designer Ella Moss's 10-year anniversary at Eveleigh. She had the company of other Hollywood ladies like Ashley Greene, Busy Phillips, Dianna Agron, and Paula Patton. The bash gave the girls a chance to throw on fun, Summer dresses and catch up during a break from their respective projects. Nicole is gearing up for her stint on the new show Fashion Star while Busy just co-hosted Access Hollywood yesterday. Ashley, meanwhile, is fresh off a recent stint at Comic-Con with her Twilight buddies. Paula, likewise, has a huge couple of months ahead with the upcoming release of Mission Impossible: Ghost Protocol in December.