Sandra Bullock is the World's Most Beautiful Woman of 2015, and there's no surprise as to why People gave her the honor. 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!
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Source: Getty / Chelsea Lauren