The singer sparked concerns when she was pictured looking significantly slimmer, and sources said that she was determined to lose even more weight before marrying fiancé Eddie Cibrian.
She has insisted that she is a healthy weight, and took to Twitter on Tuesday to set the record straight one last time.
She wrote: 'To those who have to turn to other's lives and judge with no real knowledge of how anyone lives, you can you know what!
'Dear Lord! I do not workout too much nor do I starve myself. I'm so over this and moving on.'