Actor Matthew McConaughey proposes to girlfriend

Cast member Matthew McConaughey and his partner Camila Alves

Hollywood leading man Matthew McConaughey has proposed to his longtime girlfriend and the mother of their two children, model Camila Alves, the actor said in a posting on celebrity website Whosay.com

McConaughey, star of such films as "Ghosts of Girlfriends Past" and "The Lincoln Lawyer," posted a picture of him and Alves kissing near a Christmas tree on Sunday with the message "just asked camila to marry me, merry Christmas."

WhoSay.com is a website that hosts many celebrity accounts. A spokesman for the actor confirmed that McConaughey posted the message but gave no further details.

McConaughey, 42, and Alves, 28, have been a couple for several years. They have two children, Levi, 3, and Vida, who turns 2 next month.