Justin Timberlake flashed adorable pictures of his five month old son Silas on "The Tonight Show with Jimmy Fallon" on Wednesday. The 34-year-old singer mentioned that his son's first word was "dada". He also mentioned that his son has bonded with him more than his wife Jessica Biel, said The People.

He made an appearance on The Tonight Show Starring Jimmy Fallon" on 09 September and revealed that he had coached his son using the presenter's new children's book, 'Your Baby's First Word Will Be Dada,' which follows the story of a father trying to coax his daughter into saying dada while meeting a number of animals during a fun adventure, said People.com

The 'Friends With Benefits' star described his fatherhood as "amazingly insane, wonderful, unbelievable thing to ever happened to him. Justin certainly seemed to have taken to fatherhood and enjoying it as well, stated The Hamilton Spectator.

Meanwhile, Justin Timberlake and Jimy Fallon made an appearance on The Tonight Show and brought back their hugely popular "History of Rap" segment on Wednesday, Sept. 9, belting out some classic hip hop anthems for an amazing sixth installment, reported The USA Magazine. When Fallon tried to take on the number NWA's "Staight Outta Compton," he chastised his friend with "No, no, no. We've been through this before.You are not straight outta Compton. You are straight out of upstate New York."

The duo also danced to Beyonce's "Single Ladies" at the US Open giving quite a show to the fans. The Grand Slam has not only hosted major tennis star but also some of the most popular celebrities of the world. The best bros Jimmy Fallon and Justin Timberlake were spotted during the Wednesday's quarter final match between Roger Federer and Richard Gasquet, reported The Sporting News.