She gained prominence through her role as Tee Taylor in Tracy Beaker Returns and The Dumping Ground.

McKenna is also set to star in the upcoming Netflix series The Seven Dials Mystery as Lady Eileen "Bundle" Brent.

[1][2][3][4][5][6] McKenna-Bruce took dance classes at Liz Burville Performing Arts Centre in Bexley and was a student at Belcanto London Academy.

[4][1] McKenna-Bruce also attended the Sapphire Dance Academy in Bexleyheath,[7] as well as the Maidstone Grammar School for Girls.

[8] McKenna-Bruce's first role was a ballet girl in the West End production of Billy Elliot the Musical.

[29] In 2021, McKenna-Bruce successfully auditioned for the role of Tara in Molly Manning Walker's film How to Have Sex.

[36] McKenna is also set to star in the upcoming Netflix series The Seven Dials Mystery in the role of Lady Eileen "Bundle" Brent.