The 43-year-old showed off her incredible figure and toned abs as she soaked up some sun with her husband, Jerry O'Connell and their twin daughters.
Charlie rocked a green cardigan, denim shorts and crisp white shoes, while her sister Dolly opted for a tie-dye hoodie, matching top and hot-pink Converse sneakers.
The 40-year-old mom of two is a very supportive friend; she even gives her friend a lift, if you know what we mean! Rebecca Romijn had a New Year's celebration to remember.
I'm kidding, but Scientology is a weird place.
The family outing came just shortly after Jerry admitted on the podcast that he's been avoiding Tom Cruise for seven years.
Rebecca Romijn is an actress and former model from the United States.