Cardi B is determined to confront her fears. The chart-topping rap star hasn’t performed live since 2019 and although she’s “nervous” about taking to the stage after being absent for so long, she won’t shy away from the challenge. During a Twitter exchange with a fan, Cardi was asked: “How do you build up your confidence if you’re not feeling confident? #AskCardi (sic)” In response, Cardi – who is due to perform at the Wireless Festival in the UK in July – stressed the importance of confronting her fears. The 29-year-old star explained: “By facing it …I haven’t performed since 2019 I’m perform…