their third album, 24k magic marked the group's first album with the new songwriting and production team shampoo, press & curl, consisting of lawrence, mars and christopher brody brown. this has been the most successful album of the franchise, and swept the 2018 grammy awards, taking home wins for album of the year, record of the year, song of the year, best r&b song, best r&b album and best r&b performance. along with their success at the grammy awards, the group also completed their most successful world tour to date, the 24k magic world tour, which has grossed more than $350 million worldwide.