While she hasn't outright said it's a tribute, she referred to Liam as her "guardian angel" in her tribute post. Kate shared her heartbreak publicly when the news of Liam's death broke.

While she didn't mention the tattoos directly ... she referred to Liam as her "guardian angel" in her tribute post. Kate publicly expressed her grief when news of Liam's death broke.

Liam was famously fond of tattoos, having had around 21 inkings ... You'll always be with me. I've gained a guardian angel.' ...