Sandra Bullock turns 50 today! She's one of Hollywood's hottest A-list actresses and has been lighting up the screen for over two decades. Along the way, Sandra's made many friends and worked with some major names, including Ryan Gosling, Keanu Reeves, Ryan Reynolds, and George Clooney — but in addition to her killer acting chops, Sandra is probably best known for her lightning-quick wit, sense of humor, and infectious smile. We're celebrating Sandra's milestone with her smiliest, silliest snaps with fellow stars over the years. Scroll through to see them all now, and just try not to smile yourself!
Keanu Reeves shared the stage at the August 2006 Teen Choice Awards in LA.
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Sandra and Betty White met up backstage at the August 2010 Teen Choice Awards in LA and shared a sweet hug.
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Ryan Reynolds attended a photocall for their romantic comedy The Proposal in June 2009.
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Hugh Grant and Sandra were full of laughs during LA's 12th Annual BAFTA/LA Britannia Awards in November 2003.
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She planted a kiss on
Scarlett Johansson during the June 2010 MTV Movie Awards in LA.
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Adam Sandler kept Sandra cracking up backstage at the MTV's September 1994 Video Music Awards held in NYC.
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Bradley Cooper put on a show for photographers at their August 2009 LA premiere of All About Steve.
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Keanu Reeves were all smiles at the September 1996 ShoWest presentation in Las Vegas.
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Ben Affleck got goofy in front of the cameras while shooting Forces of Nature in 1999.
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Charlize Theron snapped a photo backstage at the January 2006 SAG Awards in LA.
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Halle Berry got a kiss from her during the February 2011 Oscars.
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Sandra showed up to support her pal
Ryan Reynolds at the premiere of his film The Change-Up in August 2011.
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She cracked up during a September 1996 ShoWest panel with fellow actors
Mel Gibson, John Travolta, Greg Kinnear, Cameron Diaz, and James Robinson.
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Meryl Streep and Sandra posed in the press room at the 15th annual Critics' Choice Movie Awards in January 2010.
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Sandra beamed on the red carpet with her friend Melissa McCarthy as they promoted
The Heat in June 2013.
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She shared a laugh with her
The Blind Side costar, Quintin Aaron, at the People's Choice Awards in January 2013.
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Ryan Gosling gave Sandra a hug at the September 2001 LA premiere of The Believer.
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Sandra and Harry Connick Jr. filmed
Hope Floats together in February 1998.
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Miss Congeniality 2 costars Regina King and Sandra were all smiles at the People's Choice Awards in January 2013.
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George Lopez stepped out in March 2005 to support her at the LA premiere of
Miss Congeniality 2.
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Sandra was joined by costars
Tom Hanks and Thomas Horn at the December 2011 NYC premiere of Extremely Loud & Incredibly Close.
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Sandra met up with
Helen Mirren on the red carpet at the March 2010 Oscar ceremony in LA.
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Tim McGraw posed for photos at their November 2009 NYC premiere of The Blind Side.
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Matthew McConaughey and Sandra shared a hug at the first annual Teen Choice Awards in August 2009.
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She and Christoph Waltz shared congratulatory smiles following their Oscar wins at the March 2010 Academy Awards in LA.
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Neil Patrick Harris were covered in slime at the Kids' Choice Awards in March 2013.
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Sandra shared a hug with Anthony Mackie at a February 2011 post-Oscar bash in LA.
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Kristen Stewart shared a hilarious embrace during the May 2009 MTV Movie Awards in LA.
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Gwyneth Paltrow, and Salma Hayek were all smiles at the 2001 VH1 Vogue Fashion Awards in NYC.
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