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Justin Timberlake has sure had a whirlwind 24 hours!

Last night on The Tonight Show, the singer treated fans to a bevy of new pics of his and wife Jessica Biel's adorable son Silas. The family photos are just too cute to handle.

JT also won the night by rapping with BFF and Tonight Show host Jimmy Fallon. But that's not all, Fallon and Timberlake also stole the show at the U.S. Open!

Watch the E! News clip above for all the scoop on JT's wild 24 hours.