Nikki Bella warns WWE: Stars retire, time to step up!

Nikki Bella is ringing the alarm bells for WWE as John Cena and AJ Styles have decided to retire! Cena wrapped up his in-ring career on December 13, and AJ followed after a Royal Rumble defeat. Nikki believes WWE needs to act fast to fill the gaps left by these stars, especially since the women's division is ready to shine brighter than ever!