Geeking out! Jessica Chastain photobombs herself after spotting YSL billboard in France

PUBLISHED: 09:00 EST, 21 March 2013 | UPDATED: 09:39 EST, 21 March 2013

Photobombs can range from crazy to the obscene to the hilarious - but beautiful Jessica Chastain has taken the joke to a new level, by doing it to herself.

The ravishing redhead posted the snap of her rather demure photobombing her own billboard in France.

Lawless star Jessica, 35, posted the cute snap on her Facebook page and the actress certainly looked thrilled with her discovery.

You're photobombing yourself! Jessica Chastain was 'geeking out' after spotted her YSL billboard in France

The Zero Dark Thirty star signed a deal to become the face of YSL's fragrance Manifesto last summer and looks stunning in the Audrey Hepburn style shot.

Wearing leather gloves with a slick of ruby red lipstick Jessica shows off her flawless skin in the ad - and standing next to it.

On her Facebook wall she wrote: 'Ok, here's pic of me geeking out on my YSL campaign.

When she is not photobombing, she loves posing! Jessica looks amazing at the Oscars earlier this year

Showing her support: Jessica showed her support for her boyfriend Gian, who works as an executive for Moncler, by attending the Moncler Gamme Rouge Fall/Winter 2013 Ready-to-Wear

'I was in Paris for fashion week and look what I stumbled upon! It was as tall as a building!

'It was super embarrassing but I had to jump out of my car and seize the moment.

'I mean, how many times does a girl get a billboard over the Seine River!?! It's so lovely and I wanted to share it with you all.'

Not that it was an advert or anything but Jessica took the time to tell her fans that it was a 'gorgeous scent.'

Get a grip: The crazy fan was screaming madly as she saw Cheryl approach her

OMG! Cheryl Cole's photobomb's are less demure and more of the crazed fan type (taken in December last year this snap made it into the top 30 photobombs of 2012)

Jessica was in Paris with Italian beau Gian Luca Passi de Preposulo - attending an array of shows.

Because Gian works as an executive for French fashion brand Moncler he was a perfect date for the week.

Jessica and her new boyfriend were first rumoured to be dating a few weeks ago, and appeared to confirm the romance when Gian Luca was seen leaving the star’s final Broadway performance of The Heiress in New York last month.

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Dear DM, a 'photobomb' is when someone or something unexpectedly appears in the background, pulls a face, or leaps in front of the lens at the moment a photo is taken. This is not a photobomb.

- dailymail86 , Auckland, New Zealand, 22/3/2013 21:46

Click to rate Rating 2

I love that she seems to enjoy the success that she has found through her hard work and great talent but also doesn't take herself too seriously

- JBBennet1 , New York, United States, 22/3/2013 19:33

Click to rate Rating 3

that dress!!!

- michelle , Brick City, Ukraine, 22/3/2013 12:02

Click to rate Rating 5

love her she looks amazing in that billboard, such a class act

- Mag Ster , Sydney, Australia, 22/3/2013 03:25

Click to rate Rating 20

I'm sorry but that billboard is vulgar!