Sincerely Yours is the debut studio album by American rapper Iamsu!. The album was released on May 13, 2014, by HBK Gang and Warner Music Group's Alternative Distribution Alliance. Recording for the album took place during 2013 and 2014. The album's production was handled by Iamsu!, other members of The Invasion, Tha Bizness, Jake One, Trackademicks and Chase N. Cashe, among others. Iamsu! collaborated with various artists on the album including 2 Chainz, Wiz Khalifa, Too Short, E-40, Berner, Dizzy Wright, along with HBK Gang members Sage the Gemini, Kool John and Skipper. The album was supported by the singles, "Only That Real" featuring 2 Chainz and Sage the Gemini and "I Love My Squad".

In May 2013, Iamsu! began his first headlining tour, in promotion of his mixtape Kilt II. On June 6, 2013, Iamsu! released Kilt II. Production on the mixtape was primarily handled by Iamsu! along with other members of The Invasion. It was met with generally positive reviews from music critics.

In January 2014, Iamsu! announced the album during his freestyle over YG's "Who Do You Love?". In the song Iamsu! raps, "Did the tour, got signed, now the album coming." Four days later, Iamsu! elaborated about the album to hip hop magazine XXL, revealing the title and the projected release date of April 2014. He describes the work as an autobiographical concept album.

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