'TMZ' reports that Britney Spears has made a remarkable comeback, once again reaching the top of the music charts. Her collaboration with Elton John, "Hold Me Closer," dropped on August 26 and instantly rose to No. 1 on iTunes in the United States. In 35 countries, including England, the song has reached No. 1 on the charts. "Okie dokie … my first song in 6 years !!!! It's pretty d--- cool that I'm singing with one of the most classic men of our time… @eltonofficial !!!! I'm kinda overwhelmed… it's a big deal to me!!!".