Nawell Azzouz better known as Wallen (born January 23, 1978) is a French R&B singer. Her stage name comes from the rearrangement of the letters of her first name.

She was born in Saint-Denis, France, to Moroccan parents. As a child, she learned to play the violin and developed a passion for singing. She grew up listening to Funk, Hip hop, and R&B.