Adam Brody and Leighton Meester

Rex

When we learnt that two of our favourite former TV sitcom stars - The OC's Adam Brody and Gossip Girl's Leighton Meester - had started dating, we wondered why it hadn't happened sooner!

MOST STYLISH CELEBRITY COUPLES

The cute pair met on the set of quirky comedy The Oranges and clearly haven't looked back since.

Having kept their relationship relatively incognito since they started dating in March 2013, the couple looked ready to show off a united front on their most recent date in LA, walking arm-in-arm, after Adam attended a screening to promote his latest film, Some Girl(s).

SEE LEIGHTON MEESTER'S INSTYLE COVER SHOOT

Proving how in sync they are, the pair were dressed in coordinating shades of blue, with Leighton sporting a tiered aqua dress, strappy heels and Miu Miu's celeb-fave bag, the Madras, while Adam was perfectly preppy in a striped shirt, chinos and lace-ups.

Luckily we'll be seeing plenty more of Adam and Leighton as they are set to co-star in

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Life Partners which is slated for release in 2014.