Neela's review of the Stay In Line Lip Liner in Luminous color by Jason Wu Beauty is overwhelmingly positive. She was impressed with how smoothly the lip liner glided on and mentioned that it paired well with gloss and basic makeup. Neela loved the dark shade and expressed her satisfaction with how it looked on her lips. She also mentioned that it fit her perfectly. Overall, Neela was delighted with the lip liner and thanked Jason Wu Beauty for the product. Based on her review, it can be concluded that the Stay In Line Lip Liner in Luminous color is a high-quality product that provides a beautiful and well-fitting finish.