Blac Chyna's 18 year old beau, Ybn almighty Jay, repeatedly grabs her massive Bum during shopping spree in Beverly Hills. (photos).

Blac Chyna, 29, and her latest teenage rapper-beau, YBN Almighty Jay, 18, were spotted on a shopping spree in Beverly Hills on Monday.

During the shopping trip at Saks Fifth Avenue, Almighty Jay couldn't keep his hands off Chyna as seen in photos taken of them.

 In one of the photos, the Houston rapper was pictured grabbing Chyna curvacious behind, while she held him. It will surely be a long ride home!

See more photos below;