High-fives to Miley Cyrus, who according to AshleyMadison.com, has been voted the most cheat-worthy celebrity for 2013 -- meaning she's the celeb most guys want to have an affair with. Miley grabbed 18.6% of the votes. Mila Kunis was second with 12.4%.

Rounding out the top-ten:

  1. Miley Cyrus - 18.6%
  2. Mila Kunis - 12.4%
  3. Jennifer Lawrence - 11.6%
  4. Sofia Vergara - 9.4%
  5. Beyoncé - 8.1%
  6. Rihanna - 7.5%
  7. Katy Perry - 5.2%
  8. Katie Couric - 3.8%
  9. Jessica Biel - 3.2%
  10. Kate Upton - 2.2%