United Kingdom, March 29 -- Tulisa Contostavlos "cried like a baby" after giving up smoking.

The former N-Dubz singer decided to quit cigarettes earlier this year and while she is proud of her progress, she has had a "rough" time with the impact of withdrawing from nicotine, though she is getting "stronger every day".

She wrote on Instagram: "Today marks 6 weeks without cigarettes 1 month nicotine free! Still on a 0 nicotine vape till withdrawals ease. Huge thanks to @allencarrseasyway for their home 1 on 1 session + continued support. Big shout to Bradley at @oyce_oneyoucheshireeast

"My physical withdrawals have been particularly rough but I've always been hyper sensitive so I wouldn't really expect anything less cold turkey.

I cried...