Billy Joel beams at HBO event with wife Alexis Roderick who stuns in sleeveless ...

Billy Joel brought his star power to a special screening of a HBO documentary on Monday.

The hitmaker, 69, was accompanied by fourth wife Alexis Roderick, 36, at the event in New York for Rx: Early Detection, A Cancer Journey with Sandra Lee.

The couple, who wed on July 4, 2015, share two daughters aged three and almost one. 

Date night: Billy Joel, 69, and his fourth wife Alexis Roderick, 36, attended a screening in New York Tuesday of HBO's documentary Rx: Early Detection, A Cancer Journey with Sandra Lee

Date night: Billy Joel, 69, and his fourth wife Alexis Roderick, 36, attended a screening in New York Tuesday of HBO's documentary Rx: Early Detection, A Cancer Journey with Sandra Lee

Joel wore a black polo shirt and black jeans with a dark gray jacket and carried a beige baseball cap as he posed for photos.

Roderick showed off her figure in a sleeveless black top and a black and silver mini skirt that she paired with black tights and black ankle boots.

She wore her shoulder-length blonde hair with a center parting and added plenty of blusher and glossy lip color.

Legendary hitmaker: Joel wore a black polo shirt and black jeans with a dark gray jacket and sported a beige baseball cap which he removed as he posed for photos

Legendary hitmaker: Joel wore a black polo shirt and black jeans with a dark gray jacket and sported a beige baseball cap which he removed as he posed for photos

Lovely look: Roderick showed off her figure in a sleeveless black top and a black and silver mini skirt that she paired with black tights and black ankle boots

Lovely look: Roderick showed

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