Classic rockers U2, Elton John and Bon Jovi earned their place along younger acts like Lady Gaga, Justin Bieber and Taylor Swift in the Top 10 of Forbes magazine's annual Celebrity 100 Power List.

The list tracks the "World's Most Powerful Celebrities" based on earnings, media visibility and social media power over the past 12 months. U2, who earned $195 million, came in at No. 4 on the tally; Elton John ($100 million) landed at No. 5; and Bon Jovi ($125 million) earned the No. 8 spot.

Further down the list, Paul McCartney ($67 million) ranked No. 20. Pop singer Lady Gaga topped the tally, beating out four-time list-topper Oprah Winfrey.

In other U2 news, the crew of the recently launched Space Shuttle Endeavour is waking up to the band's 'Beautiful Day' at the request of Commander Mark Kelly's wife, Gabrielle Giffords, and his two daughters. Giffords is the Arizona congresswoman who was severely wounded in an assassination attempt in January of this year.

"It's good to be waking up in space again," Kelly said. "I want to thank Gabby, Claudia and Claire for that great wakeup song. It's always good to hear U2; a beautiful day in space."

Watch Video From NASA's Command Center as Mark Kelly Comments on U2's 'Beautiful Day'