Chris Brown earns his first Urban No. 1 as a lead artist, while featured act T-Pain lands his fourth chart-topper of 2007, with “Kiss Kiss.” With seven top 10s since his debut in 2005, Brown’s only other appearance at No. 1 was last December as a featured vocalist, with Johnta Austin, on Bow Wow’s “Shortie Like Mine.” T-Pain, who also debuted the same year as Brown, kicked off his list of career No. 1s on R. Kelly’s “I’m A Flirt” and had his first as a lead artist with “Buy U A Drank (Shawty Snappin).