

The only thing which remained safe up to now is that from their debut to 2004 they both recorded an impressive string of hits. With valid arguments both sides, it becomes hard to accurately define which one was the biggest. The latter has the biggest UK album, yet the first has the biggest global seller. One has more US #1 albums, the other has more #1 singles.

If recent struggles of both Britney Spears and Christina Aguilera moved away public eyes on other new popular singers a la Taylor Swift or Adele, the battle was fierce for several years between both artists and even stronger within’ their respective fan bases. Following the foot steps of the former which got big along with N’Sync boys band, the two blonde girls both arrived in the Pop Music scene in 1998 / 1999 with a huge #1 hit, instantly drawing attention and creating the perfect rivalry story for gossip magazines. While watching a group of teenagers on the Mickey Mouse Club way back in 1993, nobody would have guessed that four of them, Justin Timberlake, Britney Spears, Christina Aguilera and Ryan Gosling, would be superstars two decades later.
