Lisa Maffia is an English singer-songwriter, model, musician and presenter, who is the main female member of So Solid Crew. With So Solid, she singer notched up 5 top 20 hits, including a platinum selling single "21 Seconds" and a platinum selling album They Don't Know. As a solo artist, she has released two top 10 singles and an award winning album including the gold selling single "All Over".