The TLC singer and the musician dated from 2001-2004.
The singer and her TLC groupmate, T-Boz, visited ET for a rousing round of 'Spilling the E-Tea.'
In ET's exclusive clip, Chilli opens up about her romance with Matthew Lawrence with host Tamron Hall.
Chilli's TLC bandmate, T-Boz, also weighs in on the romance.
Chilli and T-Boz of TLC chat with ET's Denny Directo at the live finale of 'American Idol,' which aired Sunday on ABC.
Matthew and Chilli took to Instagram to confirm their relationship back in January.
Kelly Ripa, Natasha Lyonne, and more attend the 'Variety's Power of Women event.
Chilli dishes to ET about her boyfriend, Matthew Lawrence, at Variety's Power of Women event in New York City.
Rozanda 'Chilli' Thomas and Matthew Lawrence show off their dance moves alongside his brothers, Joey and Andy Lawrence.