The song was written by Rodney "Darkchild" Jerkins, Fred Jerkins III, LaShawn Daniels, Isaac Phillips, Nycolia "Tye-V" Turman, and Mason Betha, with Darkchild and Norwood producing and Mase having featured vocals.
Larry Flick from Billboard felt that the song was a fitting follow up to "The Boy is Mine" and that Brandy now "proves that she has the chops to take on the most seasoned champs of R&B and pop".
[1] Music Week described the song as "another slick piece of Rodney Jerkins (Boy Is Mine) R&B" and felt that "the best bits comes from Mase".
A music video for "Top of the World" was directed by Paul Hunter and filmed in June 1998.
[3] A surrealistic clip built on digital effects, it features Norwood floating in the air, flipping and somersaulting above various objects such as telephone poles and vehicles—as passersby stopped to stare—and balancing vertically and horizontally alongside skyscrapers and other buildings.