"I have loads of underwear, but only wear the bras because I never wear knickers"

This quote by Katie Price is a funny method of revealing her preference for using bras over knickers. It implies that she has a big collection of underclothing, but just uses the bras. This might be translated as a statement of her convenience in her own body and her self-confidence in her look. She is comfy enough to not feel the requirement to use knickers, which might be seen as a sign of her self-assurance. It might also be analyzed as a statement of her self-reliance and her desire to make her own choices about her clothing choices. In general, this quote is a lighthearted method of revealing her preference for using bras over knickers.