Courteney Cox is desperate to beat her Friends costar Jennifer Aniston down the aisle, RadarOnline.com can reveal.

Aniston, 56, has only been dating her new beau Jim Curtis , 50, for a few months, while Cox, 61, has been with her on-again, off-again fiancé, rocker Johnny McDaid , 49, for 12 years.

The two couples looked happy and in love on a recent double date at celeb hotspot Nobu in Malibu . Article continues below advertisement

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But with things heating up between Aniston and Curtis, Cox's pressuring McDaid to put a ring on it before her BFF Aniston becomes a bride, a source said.

"Courteney is happy for Jen,"

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