Sharna Burgess tells PEOPLE exclusively that son Zane has "fallen in love" with his baby sister. Megan Fox and Machine Gun Kelly welcomed their first child together on March 27.

Sharna Burgess Says Son Zane Has ‘Fallen in Love’ with Baby Sister, ... The baby girl was recently welcomed by Green’s ex, Megan Fox, and musician Machine Gun Kelly.

The baby girl was recently welcomed by Green’s ex, Megan Fox, and musician Machine Gun Kelly. “Of course he’s met her — that’s his baby sister,” Burgess says. “They’re deeply in love.