iHeartRadio: Songs that Britney made Huge Hits and Songs that Britney could have made huge hits!

"Boys" (Recorded by Britney Spears/Offered to: 

Janet Jackson)

"Telephone" (Recorded by: Lady Gaga/Offered to: Britney Spears)

"Toxic" (Recorded by: Britney Spears/Offered to: Kylie Minogue)

"Umbrella" (Recorded by: Rihanna/Offered to: Britney Spears)

"...Baby One More Time" (Recorded by: Britney Spears/Offered to: TLC)

"I'm a Slave 4 U" (Recorded by: Britney Spears/Offered to: Jennifer Lopez, Janet Jackson)

"Milkshake" (Recorded by: Kelis/Offered to: Britney Spears)

"He Loves U Not" (Recorded by: Dream/Offered to: Britney Spears)

Source: iheartRadio.Com