Justin celebrates

Justin Timberlake celebrated his 26th birthday in a Montreal nightclub.

After performing for 20,000 people at the city's Bell Centre, the singer celebrated with fans.

According to the Journal de Montreal, the FutureSex/LoveSounds star spent the evening in a downtown bar decorated with 30 disco balls, and an enormous 3-layer cake was presented.  Guests were also offered $5,000 bottles of champagne.

The newly single star was also serenaded by fans singing "Happy Birthday" during the show.