Toby Keith will launch his Biggest & Baddest tour in June with Montgomery Gentry. The tour will once again be sponsored by Ford Trucks. Keith will release the career-spanning 35 Biggest Hits on May 6. The compilation includes his new single, "She's a Hottie." Montgomery Gentry's new album, Back When I Knew It All, will be released on June 10. The tour will also feature Mica Roberts ("Things a Mama Don't Know") and Trailer Choir, two new artists from Keith's label, Show Dog Records.