Grammy Award winner Meghan Trainor has revealed a sexier look to the world. Trainor has been busy preparing as one of the judges for FOX's upcoming singing competition, "The Four: Battle for Stardom," and as she engaged in an adventure to slim down.

The 23-year-old singer posted several pictures of her smaller physique on Instagram. She also showed her appreciation to the people who helped her during her diet regimen. In one of the images, Trainor wrote, "Never felt so pretty/sexy in my life! Thank you so much."

Among the people she thanked is her boyfriend. Trainor's new boyfriend is American actor Daryl Sabara who is famous for his role in the "Spy Kids" movie franchise. Trainor posted a picture of her and Sabara together with the caption, "@darylsabara thank you for supporting me with this crazy new adventure. You are you are thuuh love of my life."

Trainor will be part of the singing competition "The Four: Battle for Stardom" that will premiere on Jan. 4, 2018. Trainor will be one of four judges alongside rapper Sean Combs, record producer Dj Khaled, and music executive Charlie Walk. Grammy Awards winner Fergie will be hosting the reality competition. Trainor also posted the promo video for the show's four judges on her Instagram account.

Trainor's fans quickly applauded the singer and songwriter for her new look. One of Trainor's biggest hits is "All About That Bass" in 2014 from her first EP. The song promotes the beauty and personality of women who have plus-size physique.

Trainor's latest track is "I'm a Lady" from the official soundtrack of the animated movie "Smurfs: The Lost Village." There are still no updates from Trainor if she is working on a new album or a new song to be released in 2018.

Her latest album "Thank You" was released on May 13, 2016 with 12 songs.