It's been five months since Justin Timberlake became a father, and his former NSYNC band member Lance Bass has opened up about how things have changed for the singer ever since.

Bass, 36, and Timberlake, 34, ran into each other at 30 Rock earlier this week where Timberlake was shooting his amazing appearance on "The Tonight Show with Jimmy Fallon," according to Billboard. The two snapped some photos together and reminisced about their '90s friendship.

 Well well, look who's in the #NBC house today! @JustinTimberlake and Cousin Rachel! Catch JT on @jimmyfallon !

A photo posted by Lance Bass (@lancebass) on Sep 9, 2015 at 10:03am PDT

On Thursday, Bass appeared on the daytime talkshow "The Meredith Vieira Show" after officially joining as a full-time contributor for the second season, which started on Tuesday. He told Vieira all about the run-in between him and Timberlake.

"I have to come all the way to NBC just to see my friends," he joked, revealing that it was the first time he'd seen his good friend since Timberlake and wife Jessice Biel's son Silas was born. "It's been five months, and it's so amazing to see a friend go through this, because, you know, I grew up with him since he was 14 years old. But to see this amazing dad now and all he wants to talk about is the kid. [He's] completely changed and you have to. I mean, I can't wait to be a dad myself just because I would love to know what that selflessness feels like."

On "The Tonight Show," Timberlake couldn't stop gushing over what it's like being a father and even brought some adorable photos of Silas and Biel for the world to see. "It is the most insanely amazing, most beautiful, unbelievable thing that can ever happen to you," he told Fallon.

Bass can't help but want the same thing with his husband Michael Turchin, whom he married late last year.

"One of the reasons I wanted to marry him was because I want to start a family, and we definitely in the next two or three years want to start that family," he said on the daytime talk show, according to Us Weekly. "I know people are very on the fence with IVF and all this stuff, but people have been doing it for years. With us, of course we want to find a surrogate to have our own kids, but now I was just reading with stem cell research and all this, and that's of course up to the minute, now they are saying with the skin cells of a male you can actually produce an egg and fertilize [it], so you can have biological kids with two males."