Celebrity·Posted on Apr 5, 2021Billie Eilish Finally Shared The Reason She Wore A Wig For Six WeeksGoing blonde was no easy task.by Alex GurleyBuzzFeed ContributorLinkFacebookPinterestTwitterMail Billie Eilish debuted her killer blonde hair last month but later revealed that she'd actually been hiding her new look for quite some time — and now she's explaining why. View this photo on Instagram @billieeilish / Via instagram.com Even before Billie put her new 'do on display, fans had speculated that she was covering up with a wig. @.billie.x.bby wig check ✌ #billieeilish #theworldsalittleblurry #wig #fyp #44K #imissyou #ilysm💗 ♬ original sound - 😈𝔹𝕀𝕃𝕃𝕀𝔼 𝔼𝕀𝕃𝕀𝕊ℍ😈 Then, in her own TikTok video, Billie finally confirmed the rumors by sharing an old video in which she lifts up the front of the wig. @billieeilish ♬ Lo Vas A Olvidar - Billie Eilish & ROSALÍA And now, thanks to an Instagram Q&A, fans know why she chose to keep things under wraps. View this photo on Instagram @billieeilish / Via instagram.com She first once again confirmed the ~wig theory~ and shared a photo in which she's clinging to her neon-green hairpiece. @billieeilish / Via Instagram: @billieeilish She even shared the final photo ever of her rocking her real green-and-black locks! @billieeilish / Via Instagram: @billieeilish And then Billie explained the logic behind the wig by sharing a photo of her unfinished hair and writing, "'cause it took six weeks to accomplish." billieeilish / Via Instagram: @billieeilish Billie's hairstylist, Lissa Renn, previously explained the difficult process to achieve the blonde look in a now-deleted Instagram video. View this photo on Instagram @ lissarenn / Via instagram.com “The process is real when you’re doing it right. 6 weeks to get all the black out of her ends without damaging it, along with her following my strict hair care regimen. We actually loved all the stages of lifting the color too but the end result is 🔥," Lisa reportedly wrote. So while Billie decided to keep the extended hair dye process private, I have to agree that the result is definitely 🔥🔥🔥.