Irina Shayk's impressive, ahem, bikini headlines the latest roundup of the sexiest social media pictures of the week. "Is that a blue hibiscus?" thought no one at all.

*75 pictures total in the gallery:

  • Irina Shayk
  • Jessica Nigri
  • Jocelyn Chew
  • Zendaya
  • Hailey Baldwin
  • Amy Willerton
  • Danielle Lloyd
  • Carrie Keagan
  • Georgia Salpa
  • Ashley Benson
  • Casey Batchelor
  • Irina Shayk
  • Courtney Stodden
  • Emily Ratajkowski
  • Leven Rambin
  • Kaili Thorne
  • Hailey Baldwin
  • Elizabeth Gillies
  • Candice Swanepoel
  • Kelly Monaco
  • Christina Milian
  • Hilary Duff and Alanna Masterson
  • Demi Lovato
  • Jasmine Tookes
  • Joan Smalls
  • Jessie J
  • Christina Milian
  • Ashley Tisdale
  • Ashanti
  • Danielle Lloyd
  • Ariana Grande
  • Bar Refaeli
  • Pia Mia Perez
  • Kelly Monaco
  • Sara Sampaio