Carnie Wilson and her sister, fellow Wilson Phillips singer Wendy Wilson, joined Bonfiglio at her “American Idol” audition earlier this month. Together, the three women performed Wilson Phillips’ 1990 ...

Carnie Wilson joined her sister and fellow Wilson Phillips singer, Wendy Wilson, when Carnie’s daughter Lola Bonfiglio, 19, auditioned on “American Idol” earlier this month, eventually ...

From left: Wendy Wilson, Carnie Wilson, Lola Bonfiglio and Rob Bonfiglio.