11/07/2013 18:51 BST | Updated 22/05/2015 10:12 BST

John Travolta Ruins Blake Lively's Glam Gucci Gown With His Dad Jeans

We've been waiting for the gorgeous new face of Gucci - aka Blake Lively - to wow us in a dress from the Italian fashion house and boy, did she deliver.

blake lively

The starlet looked radiant in a summery yellow halter gown that showed off her tiny waist and enviable cleavage (Blake does have a tendancy to go overboard in the boobage department on the red carpet, but on this occasion she seems appropriately contained).

blake lively john travolta

Unfortunately, co-star John Travolta showed up - and his dad jeans, spotty tie, striped shirt and - are those alligator-skin shoes?! - don't exactly scream "fab red carpet moment." This is almost as bad as his creepy PDA with wife Kelly on the red carpet the other night.

What do you think of Blake's latest look? Let us know below and see how Blake's style has evolved in the star's style evolution.

By Jennifer Barton