Britney Spears' little sister Jamie Lynn has lost touch with all her former TV co-stars since becoming a teenage mom - because she changes her telephone number so many times.
The actress stunned fans when she fell pregnant at 16 and disappeared from the spotlight after finding success in kids TV shows Zoey 101 and All That.
Co-stars like
Victoria Justice have tried to keep in touch with Spears, who turned 21 last month (Apr12), but she has made ...