Bruno Mars has reached a new milestone on the Billboard charts…

The 27-year-old part-Puerto Rican singer’s “Locked Out of Heaven,” which recently reached No. 1 on the Billboard Hot 100 last week, has reached No. 1 on the Pop Songs airplay chart.

“Locked Out of Heaven” becomes Mars’ fifth Pop Songs No. 1, tying him with Nelly and Justin Timberlake for the most leaders among solo males.

Here’s a look at the male soloists with the most No. 1s, dating to the Pop Songs chart’s launch the week of October 3, 1992:

5, Bruno Mars
5, Nelly
5, Justin Timberlake
4, Flo Rida
3, Chris Brown
3, Eminem
3, Ludacris
3, Timbaland
3, Kanye West

Katy Perry and Rihanna lead all artists with nine Pop Songs No. 1s apiece. Five other women have totaled between eight and six leaders each: P!nk (eight), Lady Gaga, Britney Spears (seven each) Beyonce and Mariah Carey (six each). Christina Aguilera and Avril Lavigne, as well as Maroon 5, have also managed five No. 1s each

Mars first ruled Pop Songs as a guest on B.o.B‘s “Nothin’ on You,” which earned the No. 1 ranking on the May 22, 2010 chart. His debut album, Doo-Wops & Hooligans, yielded Mars his first two Pop Songs No. 1s as a lead artist: “Just the Way You Are” and follow-up “Grenade.” He had last led with “It Will Rain,” from the soundtrack to The Twilight Saga: Breaking Dawn: Part 1, the week of February 4.