Although she is regarded as the most popular among the Sexbomb girls and has recorded her own album, “Rock-a-holic” Rochelle Pangilinan says she won’t leave her group to go solo and swears she will never turn her back on Joy Cancio, the group’s manager.  Rochelle who stars in GMA 7’s “Daisy Siete” will get a big surprise when she celebrates her birthday on May 24, according to Joy, also the producer of the TV fare.