The Material Girl Sing-a-ma-jig is a fanmade The Hits Sing-a-ma-jig. She has pink hair, is purple, has the same ears as the big one in the Gold Sing-a-ma-jig Duet, has purple heart eyes, a green nose, a hot pink mouth, the same arm pose as the Lawn Green Sing-a-ma-jig, wears a pink shirt with blue polka dots on it and it says "Material Girl!" in Purple Letters, has the same shape of feet as the light blue Sing-a-ma-jig, has the same voice as the Rose singamajig soloist and she sings "Material Girl".
Signon: Same as True Colors
Song: Time to rock!
Signoff: same as Lime (bye-bye!)