She shot to fame played pampered, pretty princess Rachel Green in Friends.There was nothing studious or buttoned up about the character who launched a thousand layer cuts, and most of Jennifer Aniston's subsequent characters have followed her glamorous lead.

But the 44-year-old has looked dowdier in a short wig on the set of her new film, Squirrels to the Nuts, in New York... and on Thursday, a pair of unflattering glasses added to this effect.Jennifer is filming the hotly anticipated movie alongside Owen Wilson, Cybill Shepherd and Eugene Levy.

The comedy is about a Broadway director who falls in love with a prostitute-turned actress and helps her with her career.The star has been spotted on set wearing a mousy brown wig, tailored suits and sensible shoes.But over the weekend she took some time out to enjoy a couple of days off with her fiance Justin.

Earlier in the day, the duo wisely escaped the 90-degree weather in New York by going to see a matinee of Grown Ups 2.

The tanned and toned couple were as casually dressed as always when they arrived at the Loews Lincoln Square movie theatre in Manhattan's Upper West Side to see the Adam Sandler ensemble comedy.

Dressed in army green jeans and a black vest top, the former Friends star followed behind her hu

The director and screen writer wore a similar casual outfit of a grey and yellow tank top - which showed off his bulging muscles - and jeans.