Meghan Trainor is an American singer-songwriter and television personality known for her catchy pop music that often incorporates elements of doo-wop, retro style, and social empowerment themes. She gained major fame with her debut single "All About That Bass" in 2014, which promoted body positivity and became a global hit. Trainor's style is characterized by her distinctive voice, upbeat melodies, and confident lyrics. In addition to her music career, she has also served as a judge on television music competition shows.