Katy Perry Bikes in Sydney, Thanks Fans for Birthday Wishes!

Katy Perry goes for a bike ride with some friends in Centennial Park on Sunday (October 27) in Sydney, Australia.

The 29-year-old singer was also seen doing some shopping in Bondi and stopping by a local pub to hang out. She was pictured the day before covering up while arriving at the airport.

Katy celebrated her birthday earlier in the weekend and thanked her fans for all their love and support on her special day.

“Wow. What an incredible day full of 3am starts, different cities, birthday cakes, good friends & drifting in & out of sleep!” Katy tweeted. “Thank u for an incredible birthday & all ur birthday messages. I saw so MANY of them & my ❤️ was filled with so much ❤️ I have the best friends & fans!”

25+ pictures inside of Katy Perry biking in Sydney…