what a beautiful day — because Shirley Jones is 91! Jones’ son Shaun Cassidy shared a sweet birthday post for his mom on Monday, March 31, including a picture of Jones with her birthday cake.

The Partridge Family star Shirley Jones recently ... shared several photos from her birthday lunch, including Jones sitting near a gorgeous white cake with spring flowers on top.

Oh, what a beautiful day — because Shirley Jones is 91! Jones’ son Shaun Cassidy shared a sweet birthday post for his mom on Monday, March 31, including a picture of Jones with her birthday cake.