Late Night with Jimmy Fallon

Bradley Cooper dressed up in a suit for a visit to Late Night With Jimmy Fallon yesterday in NYC. While promoting the finale of his Hangover trilogy, The Hangover Part III, which hits theaters next Thursday, May 23, Bradley also got into a competitive game of what host Jimmy branded "faceketball." He strapped a mini basketball hoop to his head and geared up for the challenge by shedding his jacket and telling Jimmy to do the same, saying, "Jackets off, bro!" He also spoke about his Oscar nomination as well as former and current costar Jennifer Lawrence during the stop. "She's the best and we're doing a movie right now and she plays a sick character, I mean sick like from the Bronx, and she just kills it."

It was a busy start to the week for Bradley, who engaged in a bit of charitable bidding that same day. Bradley attended Leonardo DiCaprio's Christie's art auction, which benefited Leo's foundation supporting environmental protection and conservation efforts. He wasn't the only star in attendance as he was joined by Tobey Maguire, Salma Hayek, and Mark Ruffalo for the auction.

Selena Gomez made a stop on Late Night With Jimmy Fallon last night in NYC. She chatted with the host about her highly anticipated film Spring Breakers, which hits theaters on Friday. During her interview, she acknowledged that although she was happy to take on a new role, she misses her Disney past, referring to her Wizards of Waverly Place film, explaining, "We took a year off of a show and I did the movie I am promoting now. I missed it so much that I went and did a reunion, so it's hard for me to leave behind, to be honest." Selena capped off her appearance by performing a hilarious Mario Kart love song with Jimmy while sporting a mustache and a crown — click through the gallery to watch their duet!

Selena's Late Night appearance was just the latest stop on her Spring Breakers promotional tour. Earlier this week, she swung by the Late Show With David Letterman where she revealed an interesting tidbit about her breakup with ex Justin Bieber. Selena admitted she made Justin cry after David announced that he had Justin tearing up during a previous interview.

Jimmy Fallon welcomed guest Justin Timberlake with an elbow bump last night to begin JT's week-long stint on Late Night With Jimmy Fallon. Justin is appearing on the show leading up to the release of his new album, The 20/20 Experience, on March 19. Last night, he performed a new song from the record called "Pusher Love Girl." Fans can also get an early listening opportunity by streaming his new album on iTunes — and so far, the early 20/20 Experience reviews are quite good.

Last night, Justin chatted with Jimmy about a stop on another recent show. Justin's appearance on SNL over the weekend attracted a bit of controversy after he changed up a line of lyrics in "Suit & Tie." In response to a diss from Kanye West, JT sang that he's got "rappers acting dramatic." Last night, however, Justin addressed the rumors concerning Kanye, telling Jimmy, "For the record, I absolutely love Kanye."

Justin Bieber made a stop by Late Night With Jimmy Fallon last night in NYC. Justin and Jimmy touched on many topics, starting with Justin's regular run-ins with the police thanks to his tinted windows. He joked, "Police really like to pull me over." At the moment, though, Justin's in a good place. He added, "I'm having fun being 18, enjoying my life, and being responsible." Justin went on to flash his abs during his appearance and share a kiss with a mannequin, which was being used in place of a basketball for a shoot-out.

Justin Bieber is spending time in the Big Apple ahead of his hosting gig on SNL this Saturday, Feb. 9. He will also give a live performance on the show, and recently debuted a new promo video. Justin has also been making headlines for his recent breakup with Selena Gomez, though the two reportedly reunited for a night together in LA over the weekend.

Tom Cruise got into a water war with Jimmy Fallon when he dropped by Late Night in NYC yesterday. Tom, who appeared on the Late Show the previous night as part of his promotion for Jack Reacher, first sat down to chat with Jimmy about giving their mothers Christmas gifts. After Jimmy talked about how he once gave his mom a food processor from a local drugstore, he asked Tom if he ever gave his mom something nice "like that." Tom and the audience started to laugh, and he said, "Actually, I do think I got her a food processor. I remember, I wrapped it in a house." Later, Jimmy invited Tom to take part in their water war skit, where Jimmy and celebrities do battle by trying to drench each other with water. Tom won the water war and earned the privilege of spraying Jimmy with a powerful water cannon.

Katie Holmes showed off her fun side during a visit to Late Night With Jimmy Fallon yesterday. She swung by the show to talk about her Broadway play, Dead Accounts, which is open in previews now. Katie and Jimmy also got down to business with a few minutes of charades. Jimmy also asked Katie about the possibility of a Dawson's Creek reunion with her former costars Michelle Williams, Joshua Jackson, and James Van Der Beek. She said, "I love everyone from the show . . . we have kind of talked about it here and there. But we're like, 'What do you do?' Because our last episode, Michelle's character passed away. Maybe we'll go on vacation — that will be fun — and just film it!"

Robert Pattinson brought his Breaking Dawn Part 2 press tour to Late Night With Jimmy Fallon last night. It's been a busy few days for Robert with stops on The Today Show and Live With Kelly and Michael. Kristen Stewart's been plenty busy too. She has visited the same programs to talk up the Twilight finale, but she's also doing double duty promoting On the Road. Last night, Kristen wore a leather LBD for a special screening of her big screen adaptation of the Jack Kerouac novel. Robert, meanwhile, chatted with Jimmy Fallon about his last go-round as Edward Cullen. They also had a bit of fun — Jimmy and Robert engaged in a water war!