A friend passed alont this list:

Number of different songs with title to make the charts:
15: "Hold On"
10: "Crazy"
9: "I Need You," "Real Love," "Tonight," "You"
8: "Call Me," "Happy"
7: "Crazy Love," "Friends," "I Love You," "I'm Coming Home," "Stay"
6: "Always," "Angel," "Dance With Me," "Fire," "Freedom," "Lady," "Lies," "Love Me," "My Love," "Sunshine," "Talk To Me," "Tell Me," "Tell Me Why," "Think," "Why," "Words,"
5: "Come Back," "Get Down," "I Like It," "I Need Your Loving," "I Want You," "Love Song," "Loving You," "One In a Million," "Only You," "Operator," "Run Run Run," "So Close," "Steppin' Out," "Superstar," "This Time," "What About Me"

Are pop stars an unoriginal bunch or what?