Taraji P. Henson & Jussie Smollett's 'Empire' Adds Alicia Keys

Taraji P. Henson and Jussie Smollett show their goofy side while attending the 2015 Fox Network Upfront Presentation on Monday (May 11) in New York City.

The two Empire stars were joined by their co-star Gabourey Sidibe.

PHOTOS: Check out the latest pics of Taraji P. Henson

On the same day, it was announced that Alicia Keys, Chris Rock, and Lenny Kravitz have signed on as guest stars for the second season of Empire.

The day before, Alicia and Lucy Liu were spotted attending a showing of the Finding Neverland musical.