After a quick trip to London for the premiere of The Bounty Hunter, Jennifer Aniston returned to NYC to the news that Heidi Montag may pop up in her next project. The Hills star shared the exciting news yesterday telling fans, "this is one of the best days of my life!!! getting ice cream to celebrate!" Heidi has been all over this week after firing Spencer Pratt as her manager and starring in a Funny or Die skit about her multiple plastic surgeries. We love seeing Jen in comedic roles but, tell us — would you be interested in seeing Jennifer Aniston in a movie with Heidi Montag?