If there's one thing we love in life, it's a close-knit celebrity dynasty.
And Blake Lively's is right up there with the best of them. The Gossip Girl star is the youngest of five siblings, all of whom are actors in their own right.
You may recall her frequently hitting the red carpet with one of her older half-sisters, Robyn Lively, of Teen Witch fame.
However what you possibly don't know - as flagged by Teen Vogue this week - is that Blake's brother-in-law is coach Bolton in High School Musical.
Bart is married to Robyn - the pair have three kids together - and has a brilliant relationship with his famous sister-in-law, and her husband Ryan Reynolds.
Bart with Blake, whom he describes as "my sister and bestest friend" (image: Bart Johnson/Instagram)
Last year, Bart posted the above photo to Instagram, as Ryan was honoured on the at the Hollywood Walk of Fame.
Bart referred to Blake as "my sister and bestest friend" and Ryan as "a truly great man".
Robyn is also very close to her younger sister and brother-in-law, and is clearly bursting with pride over their parenting skills (Ryan and Blake have two young children, Ines and James, together).
Earlier this year, she waxed lyrical about them in an interview with E! Online.
"They're so great, and they protect their little family and they're normal," Robyn said. "Their family is everything and I'm so proud of them. They kept their sense of normality and that's amazing."
Blake with her beloved older sister Robyn, Bart's wife
We just love the idea of Blake, Ryan, Robyn and Bart hanging out together with their five kids for a lazy Californian BBQ.
This is the stuff that families are made on, celebrity or no.