all you need to create the most magical birthday party for them is a few sparkly decorations and favors. Make their party shimmer like their inner-mermaid with these glitzy party decor and favor ...

Melody went big with the bow theme, enlisting her sister to help create an incredible bow backdrop ... parties ever (remember her mermaid-themed fifth birthday party for her daughter, Kate?).

Another picture showed a giant backdrop of a mermaid ... a few pictures from the party on her Instagram, taking a minute to honor her oldest daughter. "Happy Fourth Birthday to our sassy ...

151; -- Happy birthday North West and Penelope Disick! The daughters of Kim and Kourtney Kardashian, respectively, celebrated their birthdays Saturday with a mermaid-themed party in California.

The Kardashian-Jenners are not the only ones who can throw a massive kids' birthday party for the ages ... 4 and the family threw her a lavish mermaid-themed bash at their house.

To celebrate the momentous occasion, Cardi B went all out for her daughter and threw a mermaid-themed birthday party, which saw the rapper and her daughter match in adorable outfits in photos ...