The couple go house hunting in Essex as they look to take the next step in their relationship.
And while they hunt for their perfect place to live, they resolve on a pact to stay together forever.
Things have been going well for the childhood sweethearts recently, but series 16 was a very dramatic time for the couple.
Lydia took time out of her relationship with Arg and cut off all contact after becoming "frustrated' with his behaviour when he relapsed on his road to recovery.
But they overcame their issues, and by the Christmas special they were loved up again, with Lydia even joking that she wanted a marriage proposal this year.
TOWIE airs at 10pm on ITVBe.
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