B.o.B and Bruno Mars are American solo recording artists known for their work in popular contemporary genres. B.o.B (Bobby Ray Simmons Jr.) is a rapper and singer from Georgia associated with hip hop and pop-rap, emerging in the late 2000s with music that blends rap, melodic hooks and occasional genre-mixing elements such as rock or electronic sounds. Bruno Mars (Peter Gene Hernandez) is a singer-songwriter and multi-instrumentalist from Hawaii and raised in California, linked to pop, R&B, funk and soul; his work since the late 2000s is noted for polished production, retro influences, strong melodic focus and versatile vocal delivery. Both artists achieved mainstream commercial success and are known for crafting radio-friendly songs that draw on multiple popular styles.