Complex sentence: She first became famous when she joined the all-girl pop singing group Blestyashchie in 1996, and left in 2003 to embarked on a solo career as a singer, actress, and occasional model, and keeps enjoying strong media interest.
Split into simpler sentences: She first became famous when she joined the all-girl pop singing group Blestyashchie some time at the end of the 1990s, which she left in 2003. Friske soon embarked on a solo career as a singer and an actress, and occasional model, and keeps enjoying strong media interest.