Naming Jessika Power, Cyrell commented: "It's hilarious huh Nic... Just as funny as you flirting around with Jess."
She then posted on another photo that her hubby is "a huge mistake."
What do we know so far?
The protective big bro has called into Fitzy and Wippa's radio show to slam the groom as a cheater
"He and I both know what's going on behind closed doors," he said on air.
"He's not an angel."