Summer's Biggest Thrill Rides

Vroom! Clooney continued to give lady love Keibler the ride of her life on his motorcycle during their Italian vacation in Lake Como on June 15.

Oui need speed: During their Parisian getaway, Kardashian and West made sure they could see and been seen, emerging from a luxury car dealership with a convertible Lamborghini on June 17.

Sparking fond memories of their wedding procession, the Duke and Duchess of Cambridge return to the carriage during the Queen's Diamond Jubilee outside Buckingham Palace on June 5.

Judd and her champ of a husband put their racing hearts on full display while celebrating Franchitti's third Indy 500 victory at the Indianapolis Motor Speedway on May 27.

Bieber knows how to treat his girl! The singer gave Gomez a private tour of his homeland, renting a helicopter on June 16 to give his lady a sky-high view of Stratford, Ontario, and its magnificent falls.

He's no longer a lone rider! DiCaprio has a wheely good time with Victoria's Secret Angel Heatherton in New York City on June 14.

Barrymore and new hubby Kopelman ride into wedded bliss after their June 2 nuptials at the actress's Montecito, Calif., home, where the parents-to-be snuggled up in an old classic convertible Mercedes.