Share Aiko's third studio album Chilombo is nominated for album of the year and best progressive R&B album. She's also up for best R&B performance for her song Lightning & Thunder, featuring John Legend, 42. Pre-show host: The Recording Academy announced Tuesday that the 32-year-old Grammy-nominated singer will host the pre-show, where most trophies are awarded Aiko has been in a relationship with rapper Big Sean, 32, since 2016. They briefly broke up in 2019, but reconciled. Big Sean, real name Sean Michael-Leonard Anderson, revealed in his 2020 song Deep Reverence that Aiko had a miscarriage with him. Multiple nominations: Aiko's third studio album Chilombo is nominated for album of the year and best progressive R&B album and she's also up for best R&B performance for her song Lightning & Thunder, featuring John Legend