![MEXICO CITY, MEXICO - October 17: Singer Demi Lovato poses for photos during a photo call to promote new hair product by Koleston 'Brightly Blondes' at Four Season Hotel on October 17, MEXICO CITY, MEXICO - October 17: Singer Demi Lovato poses for photos during a photo call to promote new hair product by Koleston 'Brightly Blondes' at Four Season Hotel on October 17,](https://c8.alamy.com/comp/2EWRW35/mexico-city-mexico-october-17-singer-demi-lovato-poses-for-photos-during-a-photo-call-to-promote-new-hair-product-by-koleston-brightly-blondes-at-four-season-hotel-on-october-17-2016-in-mexico-city-mexico-photo-by-eyepixsipa-usa-2EWRW35.jpg)
MEXICO CITY, MEXICO - October 17: Singer Demi Lovato poses for photos during a photo call to promote new hair product by Koleston 'Brightly Blondes' at Four Season Hotel on October 17,
![Wella Koleston Perfect Permanent Creme Haircolor - 7 45 Medium Blonde-Red Red Violet, 2 oz Hair Color - Walmart.com Wella Koleston Perfect Permanent Creme Haircolor - 7 45 Medium Blonde-Red Red Violet, 2 oz Hair Color - Walmart.com](https://i5.walmartimages.com/asr/8b2b8fc5-c143-4b72-b41d-d91e99719b0f.8e5030d12d10682bbb78e0d0159201d0.jpeg)
Wella Koleston Perfect Permanent Creme Haircolor - 7 45 Medium Blonde-Red Red Violet, 2 oz Hair Color - Walmart.com
![Koleston Perfect Permanent Creme Haircolor - 12 0 Special Blonde-Natural by Wella for Unisex - 2 oz Hair Color - Walmart.com Koleston Perfect Permanent Creme Haircolor - 12 0 Special Blonde-Natural by Wella for Unisex - 2 oz Hair Color - Walmart.com](https://i5.walmartimages.com/asr/132cca0e-40b6-4103-8b36-8b97ff061047_1.7d10cd772a920b8a455a2bbd80c2ecf9.jpeg)
Koleston Perfect Permanent Creme Haircolor - 12 0 Special Blonde-Natural by Wella for Unisex - 2 oz Hair Color - Walmart.com
![X Factor' judge Paulina Rubio reveals her new red hair color while becoming the ambassador for Koleston Where: Mexico City, K Stock Photo - Alamy X Factor' judge Paulina Rubio reveals her new red hair color while becoming the ambassador for Koleston Where: Mexico City, K Stock Photo - Alamy](https://c8.alamy.com/comp/E25T00/x-factor-judge-paulina-rubio-reveals-her-new-red-hair-color-while-E25T00.jpg)
X Factor' judge Paulina Rubio reveals her new red hair color while becoming the ambassador for Koleston Where: Mexico City, K Stock Photo - Alamy
![Koleston Perfect Permanent Creme Haircolor - 4 07 Medium Brown-Natural Brown by Wella for Unisex - 2 - Walmart.com Koleston Perfect Permanent Creme Haircolor - 4 07 Medium Brown-Natural Brown by Wella for Unisex - 2 - Walmart.com](https://i5.walmartimages.com/asr/ee5007ba-266b-45b7-afdf-8b35e122da94_1.0fd4ec27507f1c5ccd4fc78769b325ed.jpeg?odnHeight=612&odnWidth=612&odnBg=FFFFFF)