As plenty of stars bonded with their families at home over Mother's Day weekend, others have been out on the town with loved ones, pals, and costars. On Saturday, Jennifer Lawrence struck up a smiley conversation with actor Omar Sy after the star-studded premiere of X-Men: Days of Future Past in NYC, and Christina Aguilera showed off her baby bump and moves at a concert in LA. To kick off the weekend on Friday, Miranda Kerr hit a high note on the runway in Shanghai, China, and Jimmy Fallon donned his Ragtime Gals costume yet again to perform at a famous friend's birthday celebration in NYC. That's just where the fun starts — keep reading to see this weekend's must-see snaps!
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