When: January 21 and 29, 2012

What happened: Only a few weeks after the Worldstar video, Keef receives two of the biggest co-signs of his career—to that point—from Lil B and Soulja Boy. The rappers remix "Bang" and "3Hunna," respectively, and Soulja goes on to further collaboration with the Chicago MC. Keef goes on to receive cosigns from ASAP Rocky, Young Jeezy, Meek Mill, and Pusha T—among others.