Christina Aguilera was seen by her fans who rushed to see her at her opening concert in Las Vegas.

After years of “battle” with her weight, the 43-year-old star impressed with her incredible figure, after losing over 18 kg.

Aguilera took the Voltaire Belle De Nuit stage inside The Venetian Resort and Casino in Nevada and sparkled in her tiny body. In fact, she uploaded on Instagram snapshots from her concert.

View this post on Instagram

A post shared by Christina Aguilera (@xtina)

Since 2008 – when she gave birth to her first child, Max – Aguilera began to “struggle” with her weight, losing and gaining it back. According to the Daily Mail, after going through several “phases” the star managed to find her figure and herself again, with a healthy, balanced diet and a strict exercise program.

As he recently revealed, he has given up the various diets and follows a “clean” diet, with lots of vegetables, avoiding consuming fatty and sugary snacks. At the same time, according to information from In Touch Weekly, he exercises two to five times a week.

Her fitness program includes, among other things, yoga, boxing and strength training