Lily Allen shocks with topless Spanx dance

Lily Allen in her Spanx
Lily Allen in her Spanx

British singer Lily Allen has given fans an eyeful by posting an Instagram video showing her topless and dancing along to Drake's Started From The Bottom.

The singer (29) shared the video with followers on Tuesday.

But there’s not a lot sexy about the footage, which sees the mum-of-two wearing a massive just pair of Spanx.

She covers her breasts with one arm while filming herself on a cameraphone with the other, dancing and singing to music .

She posted another Instagram video of herself dancing, but this time in a cocktail dress as she swayed to Beyonce's Yonce/Partition.

Spanx but no Spanx Lily.