Double Take

Ok, so there's something interesting going on in the Iron Man 2 PR camp:  what's the deal with ScarJo & Gwyneth wearing the same colors for the last two main events?

1.
Wearing grey at the Paramount Pictures & Marvel Entertainment's "Iron Man 2" photo call held at the Four Seasons Hotel on April 23 in LA:

2.
Wearing white at the World premiere of Paramount Pictures and Marvel Entertainment's Iron Man 2 held at El Capitan Theatre on April 26 in Hollywood:

Coincidence?  Or is one trying to out-style the other?
Hmmmmm........