Rebecca began her training with the National Youth Ballet and National Youth Music Theatre before continuing her vocal studies at the Royal Welsh College of Music and Drama, where she was won the John Ireland Song Prize and a scholarship to study at the Karlsruhe Musikhochschule, Germany. She has recently received the Patrick Fyffe Dame Hilda Bracket award for comedy in opera at Sadler's Wells for her portrayal of Mary in Opera North's production of Gershwin's  Of Thee I Sing.

Roles include Maddalena/ Monteverdi’s Flying Circus (Armonico Consort); Marie/ Peter the Great (Opera South); Mary Turner/ Of Thee I Sing & Let ‘Em Eat Cake (Opera North; BBC Radio 3 Live Broadcast), cover Rose Maybud/ Ruddigore, cover Lidochka/ Paradise Moscow (Opera North); Mabel/ The Pirates of Penzance (Carl Rosa Opera); Sivene/ Le Cinesi, Gaia/ Rainforest (Opera Minima); Papagena/ The Magic Flute (Longborough Festival Opera); Barbarina/ The Marriage of Figaro (Opera Brava); Everywoman/ Roundabout Basingstoke (Anvil Arts Centre); Hanna Glawari/ The Merry Widow (Duchy Opera); Esmeralda/ The Bartered Bride (Surrey Opera); Clori/ Clori, Tirsi e Fileno, Second Fairy/ The Fairy Queen (RWCMD). 

Rebecca has recently performed Mabel in The Pirates of Penzance with the G&S Opera Company in Buxton and future engagements include the Opera North revival of Ruddigore as Rose Maybud and as Kate in Yeomen of the Guard with the Royal Liverpool Philharmonic at the Philharmonic Hall in Liverpool, and with Philharmonia at the Royal Festival Hall.