<i>The Bachelor</i>'s steamiest moment yet! Watch Jessica strip off and straddle Blake in the spa…

The Bachelor just got a whole lot less PG.

After whisking away his sexy singles to the Blue Mountains, Bachelor Blake spent some seriously sexy one-on-one time with slow-blinker Jessica… who decided to strip off and straddle him in the steamy spa.

Ignoring TheFIX's major side-eye to the sitch, Blake seemed pretty pleased about the raunchy faux-rodeo. Check out the video above!

Jess may have upped the ante with her seductive (vomit-worthy) slow-talk in the hot tub, but even Blake's starting to see through the cheesy chat… with concern their relationship is all chemistry and no substance.

Despite his qualms, she's still a frontrunner to win his heart. Which means the 24-year-old accounting student's got another week to convince him "her heart beats faster when he's around".

No such luck for pharmacy training officer Zoe, who was swiftly booted from the super-flash mansion, leaving Lisa, Sam and Louise to battle it out with blue-eyed Bambi.

With home visits next week, which bachelorette's family will convince Blake to date their daughter?

Stay tuned, FIXers.

The Bachelor airs at 7.30pm on Wednesdays and Thursdays on Ten.

Miss Laurina as much as we do? Check out our nine reasons she won the show below...

View slideshow: Nine reasons Laurina won The Bachelor… without actually winning