Justin Timberlake sings classic '90s hits as he goes back to camp with Jimmy Fallon in hilarious Tonight Show skit

Justin Timberlake proves once again he can do it all.

The pop star appeared in a skit on The Tonight Show With Jimmy Fallon on Tuesday night where he played a 12-year-old version of himself.

In the sketch, he and Fallon were best friends as kids going to Camp Winnipesaukee over the summer in 1993.

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Belt it out! Justin Timberlake appeared in a skit on The Tonight Show With Jimmy Fallon on Tuesday night where he played a 12-year-old version of himself 

Belt it out! Justin Timberlake appeared in a skit on The Tonight Show With Jimmy Fallon on Tuesday night where he played a 12-year-old version of himself 

The skit sees the two buddies attempting to sleep after eating too much candy.

They decide to sing What's Up by 4 Non Blondes eventually waking up their camp counselor played by Keegan-Michael Key.

They continually wake up and annoy their counselor as they attempt to make their way through the whole song.

Camp vibes: In the sketch, he and Fallon were best friends as kids going to Camp Winnipesaukee over the summer in 1993

Camp vibes: In the sketch, he and Fallon were best friends as kids going to Camp Winnipesaukee over the summer in 1993

Interrupted: Keegan-Michael Key plays their unbalanced camp counselor 

Interrupted: Keegan-Michael Key plays their unbalanced camp counselor 

The skit sees the two buddies attempting to sleep after eating too much candy: They decide to sing What's Up by 4 Non Blondes eventually waking up their camp counselor

The skit sees the two buddies attempting to sleep after eating too much candy: They decide to sing What's Up by 4 Non Blondes eventually waking up their camp counselor

Up close and personal: JT gets a facefull of Keegan at one point after not obeying the rules

Up close and personal: JT gets a facefull of Keegan at one point after not obeying the rules

Eventually they are joined by Billy Crystal, who says he kayaked from another camp.

Crystal leads them in a rendition of Gloria Estefan's Rhythm Is Gonna Get You.

In the skit they also play a game of two truths and one lie, where we learn that Timberlake is a fan of S'mores.

City Slicker: Eventually they are joined by Billy Crystal, who says he kayaked from another camp

City Slicker: Eventually they are joined by Billy Crystal, who says he kayaked from another camp

Sing it! Crystal leads them in a rendition of Gloria Estefan's Rhythm Is Gonna Get You

Sing it! Crystal leads them in a rendition of Gloria Estefan's Rhythm Is Gonna Get You

While there was some tension with the camp counselor, JT and Fallon both vow to remain best friends forever.

In real life the duo appear to actually be just as close as their fictional younger selves. 

All that ends well: While there was some tension with the camp counselor, JT and Fallon both vow to remain best friends forever

All that ends well: While there was some tension with the camp counselor, JT and Fallon both vow to remain best friends forever

Smooth guy: Earlier in the day, Justin was pictured in New York's Tribeca neighborhood, carrying a bottle of Bai, an antioxidant drinks brand for which he is a spokesperson
Smooth guy: Earlier in the day, Justin was pictured in New York's Tribeca neighborhood, carrying a bottle of Bai, an antioxidant drinks brand for which he is a spokesperson

Smooth guy: Earlier in the day, Justin was pictured in New York's Tribeca neighborhood, carrying a bottle of Bai, an antioxidant drinks brand for which he is a spokesperson

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