Cardi B was ready to go on tour this Fall with Bruno Mars. Like all things, plans change. What made her decide to back out of what would be a very successful tour with one of the biggest stars to date? It all comes down to family. According to her Instagram Page, she thought that 6 weeks after giving birth to her daughter would be enough time to get ready for the tour. Her doctor informed her that taking her baby on tour would not be in the baby’s best interest. See her Instagram Post below.