Today's song stumper is multi-tiered. In order to win bragging rights, you must answer each tier correctly.
Question #1: Gwen Stefani released the single "Rich Girl" in 2005. Name the famous rapper who performs on the recording.

Question #2: "Rich Girl" riffed on a famous song from a Broadway musical. Name the song.

Question #3: Name the musical.

Question #4: Name the character in the musical that sings the song.

Question #5: Stefani's version of the lyric differs by one word. What is that word?

Question #6: Which version of the lyric is grammatically correct?

Bonus Questions: Stefani's "Rich Girl" was actually a remake. Who recorded the original and in what year? Was this lyric grammatically correct or not?