Olivia Wilde turned up at the Los Angeles County Museum of Art (LACMA to the frequent visitors) for an opening called ‘Unmasking’. And she clearly bought in to the vibe of the event. So time for a bit of spot the difference. Ready? Sure? You really should be ready by now; it’s hardly a last minute five-a-side peno. Right, picture one:

"You can't see me can you?"
And picture two:

HINT: Look at her face
That’s right, Olivia got involved by turning up with…a mask. Pure, obvious genius.
The House star was at the same function that Christina Aguilera also attended – but Christina did not bring a mask, the cheek. Then again neither of the lovely ladies need one, so more fool Olivia for working her right hand so hard. Using a mask really is quite pointless for gorgeous girls. Covering their faces is something akin to Usain Bolt using a Segway to get around more quickly, or Liam Gallagher teaming up with Russell Watson to perform opera vocals.
It appears that this may have been a realisation that dawned on Olivia, because thankfully she took the mask down. And then she started taking other things off. Ok it may only have been her jacket, but we’re still grateful. (Not as grateful as we would have been if she had taken the dress off too mind, but that might have been asking for a bit much).

More Olivia Wilde news on FHM.com:
1/ Olivia Wilde in Russia!
2/ Olivia Wilde leaves the House in a bikini
Top Girls news on FHM.com:
1/ FHM Lingerie Special Video #3: Ella Cole
2/ INTRODUCING: Inna
3/ FHM's best ever Ladies' Confessions: the top 100
4/ Meet Danica, this month's Upgrade Girlfriend
5/ Hot For Words' Marina Orlova quizzes FHM