Jennifer Aniston Jennifer Aniston

The rumors are true! Jennifer Aniston is not only pregnant — she's already a mom twice over! At least in a new video for Smartwater.

In the promo, which includes cameos from Ryan Seacrest, Jimmy Kimmel and even a baby alien, Aniston pokes fun at the gossip surrounding her.

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Best moment of the clip: The

Friends star finishes her nightly routine with her mantra, "Good night, Rachel," before taking off her "wig" to reveal her brown, curly hair.Watch the full video below.