Simplify the following text for a Grade 6 native English-speaking person.
Original: Colbie Marie Caillat ( ; born May 28 , 1985 ) is an American pop singer-songwriter and guitarist from Malibu , California .
Simplified: Colbie Caillat is an American pop music singer and songwriter . She was born in Newbury Park , California on May 28 , 1985 .