Thanks to the guidance of Taylor, and following major label bidding wars, DaBaby landed a seven-figure recording deal with Interscope. In January 2019, when DaBaby signed with Interscope, he began his own imprint label called Billion Dollar Baby Entertainment . On March 1, 2019, DaBaby's debut studio album "Baby on Baby", was released via Interscope Records. He is also signed to South Coast Music Group and has a joint contract with both labels. The thirteen-track project features guest appearances from Offset, Rich Homie Quan, Rich the Kid and Stunna 4 Vegas. "Baby on Baby" debuted at number 25 on the "Billboard" 200 albums chart in the US. DaBaby's song "Suge", debuted on the "Billboard" Hot 100 at number 87 on the chart dated April 13, 2019, and later reached the top 10, on the chart dated June 8, 2019. DaBaby was featured on the cover of "XXL"'s Freshman Class of 2019. DaBaby featured on various hit songs throughout mid-2019, including Megan Thee Stallion's "Cash Shit" and Quality Control's "Baby", both of which reached the top 40 on the "Billboard" Hot 100. On July 5, 2019, DaBaby was featured on Dreamville Records' newly released compilation album "Revenge of the Dreamers", on the opening track, "Under the Sun". He received acclaim for his guest feature, with various publications ranking it as his best verse of 2019, including "Complex" magazine calling it a "defining breakout moment for a new rap superstar". In August 2019, he announced that his second album would be titled "Kirk", a tribute to his last name. It was released on September 27, and debuted atop the US "Billboard" 200. Its lead single, "Intro", was also successful, peaking at number 13 on the US "Billboard" Hot 100 chart. Around that time, DaBaby also made notable appearances on singles such as Post Malone's "Enemies", which peaked at number 16 on the "Billboard" Hot 100, and on the remixes to YG's "Stop Snitchin", Lizzo's "Truth Hurts", Future’s “Life is Good” , and Lil Nas X's "Panini", released on May 24, August 23, and September 13, 2019, respectively. On October 24, he made a cameo appearance in the music video for up-and-coming rapper Rich Dunk's breakthrough single "High School".