Cameron Diaz, Alex Rodriguez Play Happy Family With His Kids

Celebrity Moms March 19, 2011 AT 10:02AM By Zach Johnson

Cameron Diaz and Alex Rodriguez's roller coaster romance is definitely at a high point!

The couple hit Busch Gardens amusement park in Tampa, Florida last Saturday March 13 -- and Diaz, 38, looked every bit an aspiring stepmother, breezily holding hands with the Yankee slugger's daughters Natasha, 6, and Ella, 2.

VIDEO: Why A-Rod's kids like Cameron Diaz better than Kate Hudson

Diaz has been bonding with Rodriguez's girls (their mom is his ex-wife Cynthia, whom he divorced in 2008) for a while now; back in December, she was photographed holding little Ella in her arms during a trip to Mexico.

PHOTOS: Cameron and Kate's dueling love lives

Diaz and Rodriguez, 35, rekindled their on-and-off romance last November.

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