Doting mom Blac Chyna spared no expense on daughter Dream Kardashian's 1st birthday party, spending LOTS of cash (that she expects to win in her lawsuit against the Kardashians) on the little tyke's mermaid-themed bash.

Chyna Snapchatted the afternoon in Saturday, from the backyard bash featuring a candy/cake bar, everything iridescent mermaid scales, Dreamy in costume and family and friends celebrating with the single mom and her two kids.

Noticeably absent were the Kardashian clan, whom Chyna's suing for "ruining her career" (wait, her stripping career?). Dream celebrated with the Kardashians on Friday, when Rob hosted a party for his daughter, which was attended by Kim, Khloe, and Kylie.

There were dueling events Saturday, as Kim hosted her own baby shower at her Bel Air mansion, as she and Kanye are set to move out of the modern palace. No word on whether Rob showed up to that event ...