Tour de Stars: Our Favorite Celebrities on Bikes

The star was spotted biking around London in a plush cardigan, white button-up shirt, black skinny jeans, and Stuart Weitzman buckled boots (shop a similar pair here).

The singer has been busy releasing new music lately (and hanging with ex Justin Bieber), but she still had time to cruise around L.A. on a bike. The 25-year-old donned a full face of makeup with a casual getup (similar sweatshirt here) while riding through the streets.

The 29-year-old actor participated in the 31st annual Nautica Malibu Triathlon and looked exceptionally fit in a black, super-tight jersey and orange-tinted sunglasses. The 17-mile bike course and 4-mile run helped raise over $1.142 million for Children's Hospital Los Angeles's Pediatric Cancer Research Program.

The royal hit the streets of London in black leggings and a neon pink top that perfectly matched her sneakers. Talk about #fitspo. 

The actor spent an August morning cruising through the Big Apple on his bike while dodging taxis and buses. LaBeouf recently filmed his upcoming movie The Peanut Butter Falcon in Georgia, but made his way back to New York City once it wrapped.

The Gossip Girl alum looked so chic on two wheels while taking a bike ride with husband Adam Brody and their 1-year-old daughter Arlo along the beach in L.A. Meester went casual in a gray sweater, navy tee, ripped jeans, and white sneakers for her leisurely ride.

The multitalented singer biked around in an all-white ensemble and black sunglasses, stopping only to smile at onlookers.

The Ray Donovan actor biked around N.Y.C. in a denim jacket and a trucker hat that bore the phrase “Let’s go surfing.”

The actress biked around New York City in a stylish all-black athletic outfit and matching sneakers.

For her ride around London, Middleton donned a ruffled beige tank top and white skinny jeans. She accessorized her ensemble with an appropriate pair of snakeskin flats, chic sunglasses, and an assortment of silver jewelry that complemented her major engagement ring.

Fresh from her trip to Cannes, the Allegiant star hopped on a CitiBike and took a ride around New York City, showing off her street style in a black and white striped skirt, black top and a classic leather jacket.

Supermodel Heidi Klum looked like a true California girl in colorful New Balance sneakers, denim shorts, and a bright red hoodie for a ride along the beach in L.A. The best part? Her pink bike! 

As if she wasn’t already flawless enough, the supermodel reminded us that looking perfect while cruising across New York on a Citi Bike is possible. She also used this moment to share a style lesson: a crisp white shirt paired with light-wash jeans is always a good idea. 

During a break from her ArtRave world tour, the “Applause” singer showcased her tattoos while riding in black high-waisted leggings and a sports bra. 

The “Teenage Dream” singer rushed down New York’s West Side Highway bike path in 2010 in all black everything.

The athletic stunner was seen in full workout attire in New York City on the set of Thanks for Sharing back in 2011. 

Moto jacket? Check. Cat-eye sunglasses? Check? Red lip? Check. Even on a bike, Beyoncé is ready for a photo shoot. 

Perhaps this explains how she scores that big booty. The multi-talented star took cycling to the next level and participated in the 2008 Nautica Malibu Triathlon in California.

The queen of pop wasn’t afraid to draw the crowds as she took a stroll through Florence in 2012 in a highlighter pink Adidas windbreaker.

Known for regularly riding through her neighborhood, actress Naomi Watts hopped on a retro-looking bicycle in Los Angeles back in January. The beauty sported adorable sneakers, a breezy blue top, denim cut-offs, and a perfectly matching hat. 

Alessandra Ambrosio rode a pastel-blue bicycle across L.A. in January and wore a matching pastel-sprinkled sweatshirt and similarly toned sneakers.

Though she may have only been posing for her Instagram fans, Kendall Jenner showed us her sultry side.

Mrs. West channeled her inner Audrey Hepburn while riding a bike through Miami for a photo shoot. The reality star sported casual ballet flats and even threw on Hepburn’s signature bangs. 

Husband Tom Brady joined the former Victoria’s Secret Angel for a sunset ride in Boston.