Lamar Odom is ready to be off-the-market, y'all!

The 40-year-old professional athlete and reality TV star shared the exciting news that he's engaged to his girlfriend, Sabrina Parr. "Introducing my new fiancé," he captioned his sweet Instagram post on Monday night, alongside a snapshot of his boo showing off her massive diamond ring. "Soon to be Mrs. Parr-Odom. She the ONE!!!!"