Showing his support for team Canada, Bieber had earlier tweeted to Canadian gymnast Dominique Pegg writing, “Sorry I'm late 2 the party. Want to let you know as a proud Canadian I'm always supporting you and proud of you. STAND UP CANADA! :).”

In reply the Canadian gymnast responded, “OMG thank you so much for tweeting me!! Thank you for teaching me to never give up on my dreams! #lookatusnow! #believe!”
Pegg also got a few re-tweets from Bieber and has reportedly also scored tickets to his ‘Believe’ tour.

After winning gold medal, US women’s gymnastics team also received messages of congratulations when a team member Jordyn Wieber tweeted, “Now that we are OLYMPIC champions … Can we please meet @justinbieber??”

To her message Bieber replied, “@jordyn_wieber u support me i support u. congrats… #DREAMBIG.”

He later tweeted to the entire team writing, “CONGRATS…on your GOLD MEDAL #BeliebersWinGOLD #Proud.”

Lady Gaga also cheered the US team on winning gold medal writing, “Woohoo! Gold for the ladies! just want to squeeze them! So much talent and beauty. Did u seem all holding hands? There’s no “I” in team.”

Lady Gaga had earlier tweeted about Summer Olympics 2012 writing, "The Olympics is the best ever. But I went through a whole pack of tissues last night. Watching hard working athletes achieve their dreams."