Miranda Lambert has blasted claims she had surgery to slim down.

The country star faced was rumoured to have sought help in losing a dress size recently, but assured fans her new body is down to her own hard work.

"Though I NEVER care what the tabloids have to say about me... I wanted to address this certain story they are running this week and set the record straight. I DID NOT have surgery to lose weight. That is ridiculous. I lost my weight the healthy and good old fashioned way. Watching what I eat and working out with my trainer Bill Crutchfield [sic]," she wrote on her blog.

The "Mama's Broken Heart" singer - who is married to fellow country star Blake Shelton - added she wasn't even counting how many pounds she lost, and wasn't get healthy to please anyone but herself: "As for the assumed number of pounds lost...? I don't even know! Like I have always said, it's not about a scale, it's about how you feel and how your jeans fit. And on November 10th when I turned 30, my skinny jeans were finally baggy! Mission accomplished! So for anyone who is tempted to read the 'Trash Talk' please don't. I am proud to be a normal size girl and I want to encourage everyone to be confident at any size. Thanks for the support yall!"