1. Casual Chic: Pair the grey trousers with a white T-shirt for a casual look. Add a touch of color with a bright yellow blazer and a pair of white sneakers. 2. Smart Casual: Elevate the trousers with a black fitted top. Throw on a stylish black blazer and complete the look with a pair of classic black high heels. 3. Bohemian Chic: Create a breezy bohemian vibe by pairing the trousers with a flowy white top and a brown suede jacket. Finish the look with comfortable brown sandals. 4. Weekend Casual: Keep it comfy and stylish with a black hoodie and a pair of black sneakers. Add a pop of color with a red scarf or a necklace. 5. Elegant Evening: Dress up the trousers with a fitted black top and a sleek black trench coat. Finish the look with a pair of black heeled sandals.