X Factor 2011: Tulisa Contostavlos in new plugging row over her free £12,000 teeth

Tulisa in new X Factor plugging row over her free £12,000 teeth

Tulisa in new X Factor plugging row over her free 12,000 teeth All smiles: Tulisa grins after the fitting of her 12,000 veneers

All smiles: Tulisa before the procedure (left) and her grining after the fitting of her £12,000 veneers

Promotion or just an arm signal Tulisa was accused of promoting her fragrance, The Female Boss, with this arm signal

Promotion or just an arm signalTulisa was accused of promoting her fragrance, The Female Boss, with this arm signal

The Female Boss: Tulisa

Whiter than white: Since having dental treatment Tulisa tweeted that people have been constantly asking her where she received her veneers Whiter than white: Since having dental treatment Tulisa tweeted that people have been constantly asking her where she received her veneers

Whiter than white: Since having dental treatment Tulisa tweeted that people have been constantly asking her where she received her veneers

Judging panel: Tulisa also appears on the dentist