Cardi B is pregnant. The 31-year-old rap star has taken to social media to announce that she’s expecting her third child, sharing a photo of her growing baby bump on Instagram. Cardi – who already has Wave, two, and Kulture, six, with her estranged husband Offset – wrote on the photo-sharing platform: “With every ending comes a new beginning! I am so grateful to have shared this season with you, you have brought me more love, more life and most of all renewed my power! Reminded me that I can have it all! You’ve reminded me that I never have to choose between life, love, and my passion! I love …