Pose: The happy couple joined director Woody Allen on the carpet to promote Midnight In ParisShe has come a long way since her role alongside Lindsay Lohan in teen movie Mean Girls.
And last night Rachel McAdams proved she has officially joined the A-list as she arrived for the screening of her new film Midnight In Paris at the opening ceremony of the Cannes Film Festival.
The 32-year-old Notebook star looked stunning in a sheer dress with bright red embellishment and embroidered train as she walked the carpet at the lavish event.
Hot date: Rachel was accompanied by her boyfriend actor Michael Sheen to the screening of her new film Midnight In Paris She paired the intricate Marchesa dress with Bulgari jewellery and gold Casadei pumps while her hair looked old Hollywood with voluminous waves and a side parting.
Rachel was joined at the event by boyfriend and co-star Michael Sheen, who could not take his eyes off his ravishing date.
At one point her accidentally stood on the train of her dress as they walked.
Get off: Sheen, stood on her dress by accident as they entered the eventThe happy couple kept their romance off the red carpet but shared a private moment once they were way from the cameras.
The actors, who star in Woody Allen's Midnight In Paris, described as a sublime love letter to the city, stole a kiss as they walked into the opening night party overlooking the Cannes beach.
They met last year while filming Allen's film in Paris.
French Culture Minister Frederic Mitterrand, Rachel McAdams, and Michael SheenWhile it's still early days for the Rachel and Michael's relationship, Rachel said she is hoping they will be able to follow in the footsteps of her parents, who are her romantic inspiration.
She said: 'They are still together and still in love. I'm very blessed that way.
'I had a great example of love in front of me, and that's probably what makes me such a romantic, because I've seen it first-hand.'
Talking about her expectations for relationships, Rachel said: 'You grow up and you assume that everyone is like that, and you quickly realize that they're not, and then you have those days when you wonder if you're going to find it for yourself.
It's such a hard thing to find.
'I think it was more that realisation that rocked me.'
Cannes Tag 1 - Midnight in Paris
Midnight in Paris Trailer 2011
source: dailymail