Updated

Even big-name celebs can get star-struck sometimes. For Jennifer Aniston, it happened when she got the chance to work with Julia Roberts.

The former "Friends" star walked the red carpet at the premiere of her and Roberts' new film "Mother's Day" at the TLC Chinese Theatre in Hollywood on Wednesday, where the 47-year-old Golden Globe winner showed off her flawless legs in a flirtatious all-black ensemble.