Nikki Bella returns to WWE RAW tomorrow night and is expected to kickstart the build-up to Evolution next month. Bella hasn't been seen since she was the final entrant in the Women's Royal Rumble Match back in February, and she has decided to make a significant change ahead of her return.Bella recently took to Instagram to show that she had decided to change her hair back to the iconic dark and light brown that she was known for throughout her Diva era. Bella claimed that she made the change ahead of the return and went to the salon to make the change official.Nikki Bella has made a change (Image Credit: Bella's Instagram stories)The Hall of Famer has been making a name for herself outside of WWE over the past few years, which is why it was a shock when she returned at The Royal Rumble. She changed up her look and even cut her hair to move away from the image she was known for during her time in the Stamford-based promotion.What could Nikki Bella do on WWE RAW?Now that she is officially Nikki Bella again, there are several options she has on WWE RAW, including going after IYO SKY and the Women's World Championship or even picking a fight with someone like Rhea Ripley, who wasn't part of the company when she was last on top. View this post on Instagram Instagram PostWith Evolution set to take place in just over a month, WWE might put together a card featuring several up-and-coming stars and legends, which could see the likes of Trish Stratus and Lita make their return. As for Bella's role in the PLE, the company can book her in a feud similar to the one she had with Ronda Rousey.Nikki main-evented the inaugural Evolution PLE when she took on Rousey and could be heading for another major spot on the card again this year, but it all depends on the booking.