According to the New York Post, Jack Osbourne, the son of rocker Ozzy and The Talkco-host Sharon Osbourne will tie the knot with his baby mama Lisa Stelly this weekend.

According to The Post, the nuptials will be low-key, and the ceremony held in Hawaii.

Osbourne, who has a 5-month-old daughter Pearl with Stelly, was diagnosed with multiple sclerosis shortly after the baby was born April 24.