The lovebirds promote Derulo's new album with a live concert in Burbank, Calif. Plus: Jon Hamm, Christina Aguilera & more!

LABOR OF LOVE

There's no talking dirty for Jason Derulo and girlfriend Jordin Sparks, who perform at a party during Tuesday's iHeartRadio Live series celebrating Derulo's recent album release at the iHeartRadio Theater in Burbank, Calif.