Plot: When Gronk decides to try a career in music, Keegan trains with gruelling vocal warmups and a medley of timeless sports anthems.
Cast
Keegan-Michael KeySelfKeegan-Michael Key was 50 in Carpool Karaoke The Series - Season 4 - Keegan-Michael Key & Rob Gronkowski (Episode 2).
Birthday: Mon, Mar 22 1971
Rob GronkowskiSelfRob Gronkowski was 31 in Carpool Karaoke The Series - Season 4 - Keegan-Michael Key & Rob Gronkowski (Episode 2).
Birthday: Sun, May 14 1989