The best outfit combination for a girl on the first date should be something that makes her feel confident and comfortable. A classic option would be a fitted dress or skirt paired with heels, but jeans and a blouse can also work well depending on the venue. It's important not to overdo it with accessories, so choose one statement piece such as earrings or a necklace. Additionally, consider the weather and season when selecting your outfit- you don't want to be too cold or too hot during your date! Ultimately, the most important thing is to wear an outfit that reflects your personal style while making you feel fabulous.