Who covered the theme song on The Secret Life of The American Teenager?

Question

I know it's called Lets do it (Let's fall in love), or something around that....but, who covered it? :O

Answer 1

I didn't watch it, but I remember reading something about Molly Ringwald performing the theme.

Answer 2

The song has been sung by many people but this version is a little different its faster and the lyrics are different but I have no clue who sang this version.