And the 27-year-old has gone back to her roots for her latest single Lovebird, even down to the use of a wind machine in the video.
Full of pleading looks, colourful outfits and, perhaps unsurprisingly, dark moody lights and a bird cage, Leona's latest offering is the second single from her third album Glassheart.
Back to her ballad best: Leona Lewis' make-up stuns in her latest video Lovebird
Her single, who coincidentally is released just as X Factor comes to an end and just weeks after rumours of her dating a younger man were briefly encourgaed, makes use of Leona's strong vocals.
Eva Cassidy famously sang about a Songbird but Leona Lewis has gone one better and become a Lovebird for her latest single.
Fabric overload: Leona floats through the air in an array of material in her latest video
Pouting: Leona loves a good ballad video
Chained: Leona powers her way through her new single
Wind machine: Producers brought out the power ballads best friend... the wind machine
Wearing an ivory sleeved dress the singer looked positively mournful, a look which suits the often plain faced Leona.
Her full skirt and pinched look gave the video a definite dark side, which suited the Bleeding Love singer down to a tee.
No-one does pain like Leona: Ms Lewis gets caged for her latest video
Face off: Leona's hair is pulled off her face in the video
Lovebird is written by Bonnie McKee, who has famously worked with Katy Perry, Britney Spears, Taio Cruz, Rita Ora, Joshua Coleman and Lukasz Gottwald.
Pop star Leona Lewis has attacked women in the music industry for acts that 'verge on porn' and said female artists should 'have some self-respect'.
Demure Leona recently attacked her compatriots for allowing themselves to be 'sexually objectified'.
Don't keep the key: Leona doesn't realise the door is actually open