by Sara McGinnis posted in Celebrities

We've seen everything from parties revealing baby's sex to big name announcements rise in popularity -- could it be singer Pink is starting the next hot trend"
The 37-year-old star, who welcomed son Jameson Moon Hart at the end of 2016, has thrown her 5-year-old daughter Willow a big sister party. Check out an Instagram photo from the event, in which you can see Willow holding a cute cake, by clicking here.
Pink captioned the image: "Congrats Big Sis! #bigsisterparty."

For the most part it appears the comments Pink has received on her big sibling party idea are positive. Take a peek at what a few fans sent her way:
emmajean1966: Thats very sweet! When my granddaughter got a new sister we got her a pink super girl costume & told her it really meant super sister. She was so proud to be a big sister then! bwright_69: That's the best idea I've heard in a long time
emilycookepoirier: What an A+ Mother! That's an awesome way to make big sis still feel special amongst the newborn chaos!
One other comment did catch my eye, however. Instagram user nyrhockeychic, who seems to come from a big family, wrote: "Damn my parents would've had to make 6 of those [parties] when I came along."
Funny to think of it that way! It's one thing to have a shindig going from baby one to two when they're a number of years apart, and a whole other process when you're having kids in quick succession.
When we welcomed our second chil...