Hottest Instagram: Kourtney Kardashian, Sunshine Shen, Sarah Harris

Instagram is booming, user growth is going strong Instagram announced that it had surpassed 300 million monthly active users, beating Twitter (NYSE:TWTR) to the punch, and with Instagram accounts like these it is no surprise.

Kourtney Kardashian

A photo posted by Kourtney Kardashian (@kourtneykardash) on Sep 28, 2015 at 9:23pm PDT

Kourtney Kardashian was a hit on Instagram this week wearing a T shirt and shorts and lots of leg.

Sunshine Shen

Raise and shine! I am in love with my @miamibikinishop bikini!! #itsybikini#miamibikini#beverlyhills#PlayboyBunny#sundayfunday

A photo posted by Sunshine Shen (@captainssunny) on Sep 27, 2015 at 11:27am PDT

This pic Sunshine Shen posted wearing the latest Miami Bikini Shop Bikini was an Instagram hit.

Sunshine Shen is currently published in the August 2015 of Playboy Slovakia (12 page spread). Also selected to be a painted lady at the official Playboy mansion parties.

Sarah Harris

wearing @wickedweaselbikinis in #Cannes shot by @joellondonphoto with @paradisechallenge #sarahlouiseharris

A photo posted by Sarah Harris (@misssarahharrisx) on Sep 27, 2015 at 2:28pm PDT