Justin Bieber pulls up his shirt to show off his abs while making an appearance on Late Night with Jimmy Fallon on Tuesday (February 5) in New York City.
The 18-year-old singer not only boasted his six pack on the show, but it looks like he also kissed a mannequin head!
Justin is in town to host and perform on the upcoming episode of Saturday Night Live. Earlier in the week, he reportedly hung out with his ex-girlfriend Selena Gomez.
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