Bruno Mars is a popular American singer, songwriter, and record producer. Some of his most popular songs include:

"Just the Way You Are"
"Grenade"
"The Lazy Song"
"Locked Out of Heaven"
"When I Was Your Man"
"Treasure"
"Uptown Funk" (featuring Mark Ronson)
"24K Magic"
"That's What I Like"
"Finesse" (remix featuring Cardi B)
"Versace on the Floor"
"Count on Me"
"If I Knew"
"Talking to the Moon"
"Marry You"
"Gorilla"
"Nothin' on You" (B.o.B featuring Bruno Mars)
"Billionaire" (Travie McCoy featuring Bruno Mars)
This is not an exhaustive list, as Bruno Mars has released many other songs throughout his career.