#1 Alexa Bliss

The most decorated WWE Superstar from this list, by far, is Alexa Bliss. After making her main roster debut after last summer's WWE Draft, she has already won a total of four women's championships, two from Monday Night Raw and two from SmackDown Live.
Alexa made her NXT television debut in July of 2013 portraying a bubbly, sparkly character blowing glitter from the entrance ramp. It was when she turned heel after Blake and Murphy helped her cheat to get an NXT Women's Championship match that her career took off.
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Bliss was drafted to SmackDown Live in July of 2016. Two months into her main roster debut, she would win a Fatal-5-Way to determine the number one contender for the first-ever WWE SmackDown Women's Champion, Becky Lynch.
At No Mercy that October, she'd defeat Lynch for her first title in the WWE. Naomi would defeat her for the title at Elimination Chamber in February of this year, but due to injury it was vacated and won again by Bliss to make her the first two-time WWE SmackDown Women's Champion
There was a Superstar Shakeup this past April, and Bliss was traded to Monday Night Raw, and only 20 days into her tenure on Raw, she would defeat Bayley for the WWE Raw Women's Championship, her third title in the WWE.
The Raw after SummerSlam this year, Bliss would win her fourth overall title by defeating Sasha Banks, and she currently holds that championship.
Over the first 13 months of Bliss' main roster winning four championships is truly amazing, but it is a testament to how great she was inside and out of the ring. She's turned into the best talker in the women's division; while putting on spectacular matches.