Inseparable! Jennifer And Justin At Heathrow Airport

She must be LOVING all the support from her new BF as she travels around Europe promoting Horrible Bosses.

Earlier today, we caught a glimpse of Jennifer Aniston and Justin Theroux leaving Shoreditch House in London while HOLDING HANDS!

Now, we’ve gotten another look at the couple (above) at London’s Heathrow Airport.

Where ya off to next, Jen and Justin???

[Image via Pacific Coast News Online.]