It was a star-studded event at Super Bowl 50 on Monday. Celebrities flocked to Levi's Stadium in Santa Clara, California, to watch the Carolina Panthers take on the Denver Broncos, and of course, they took to Instagram to document their adventures. Before belting out the national anthem, Lady Gaga uploaded a snap of herself on her way to the stadium, and Nina Dobrev shared a collection of photos of herself and pal Julianne Hough. Meanwhile, Kate Hudson attended the big game with her brother Oliver Hudson, while Alicia Keys was accompanied by her adorable son Egypt Dean. Beyoncé also joined the fun, uploading a series of snapshots from her earth-shattering half-time performance just minutes after announcing her "Formation" world tour. Scroll through to see even more famous faces and their candid moments.