On June 27, Forbes released its annual list of the 100 most powerful celebrities in the world. Lady Gaga was the highest musician on the list, clocking in at No.2 behind Oprah Winfrey. Joining her in the top 10 are Beyonce, Madonna, Taylor Swift, Bon Jovi (really!?) and Justin Bieber. But that's just the tip of the iceberg. Here, a mix of the greatest hits from all the musicians who made their way onto this prestigious list.