Rihanna chats with ET's Rachel Smith at the FENTY x PUMA Creeper Phatty Earth Tone Sneaker launch in London. The singer opens up about her latest collaboration and how she loves that her sons, Rza and Riot, get to wear her designs. Rihanna also shares how she and A$AP Rocky may feature their kids on their future albums, while playing coy about when R9 will come out. Plus, she explains why it was important for her to speak up about having insecurities after giving birth and why it felt 'liberating' to be honest about it.