Emily Maynard, Katy Perry and Lindsay Lohan: Hottest Star Sightings of the Day (PHOTOS)

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From St. Tropez sunning, to New York City strolls, to California soirees, Hollywood was busy as usual this Tuesday.

In the Big Apple, birthday girl Jennifer Lopez — looking damn good for 43 — lunched at Nello, while Jessica Alba treated her daughter Honor to a walk in the sun.

And of course, Bachelorette Emily Maynard stepped out hand-in-hand with her new fiancé Jef Holm, whose proposal she accepted on the show’s season finale Sunday.

What were A-lister doing out west?

Out in California, Maria Menounos did sun salutations at her Malibu House beach party. And while Justin Bieber headed home to Canada to visit family, his love Selena Gomez headed out for a bit at Panera Bread in Sherman Oaks. Following her Sephora shopping spree, Gossip Girl’s Jessica Szohr gave herself a quickie manicure.

Glam in an animal-print kaftan, actress-singer Queen Latifa struck a pose outside Club 55 in St. Tropez, where Tara Reid also hit the beach with pals.

Out in Ibiza, Spain, Mischa Barton was all smiles on holiday. And in Cancun, Mexico, Dancing with the Stars pro hoofer Chelsie Hightower feted her birthday at Villa del Palmar Cancun.

Clean-shaven and suited up, funnyman Jonah Hill walked the carpet at The Watch premiere at Grauman’s Chinese Theatre.

See what the stars got into in today’s Celeb Snaps.

What’s your favorite shot of the day? Sound off in comments!

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Tags: Celeb Snaps