I would imagine, due to the lyrics.
The Music Video will be released on Tuesday November third on official britney websites such as Britney.com or Britneyspears.com. Release Date is Subject to change
The "womanizer" in "Womanizer" is played by Brandon Stoughton.
Brandon Stoughton is the male actor in Britney Spears music video "Womanizer".
American actor Stephen Dorff (Blade) plays Britney's boyfriend in the "Everytime" music video.