A musician who frequently produces hits; a star(noun)
Wiktionary.org : Text is available under the Creative Commons Attribution-ShareAlike License
Use "hitmaker" in a sentence
"The “Run It” hitmaker is reportedly dating 26-year-old singer/model Jessica Marquez."
"We hear the “Umbrella” hitmaker is up for the lead role in a proposed remake of the Whitney Houston/Kevin Costner 1992 box office smash, The Bodyguard."
"The “Umbrella” hitmaker is set to headline a charity ball for Feeding America and the Recording Industry Association of America on January 20."