Anglesey songstress, who launched her career by winning the 2002 Cân i Gymru by singing Harbwr Diogel (Safe Bay), arguably one of the best known songs in the contest's history.
Since 2011, she has presented the contest - usually alongside Trystan Ellis-Morris - as well as a host of popular long-running shows for S4C including Heno and Sgwrs Dan y Lloer, along with a weekend show for BBC Radio Wales.
Her mother, Nest Llewellyn, was lead singer of the folk/prog-rock group Bran, who won Cân i Gymru in 1978 with Angel, Ble Wyt Ti? (Angel, Where Are You?) alongside Delwyn Sion.