Jessica Simpson marks end of her 30s by posing in 14-year-old jeans

Jessica Simpson: Jeans from her twenties.

Jessica Simpson has embraced turning 40 by slipping into an old pair of jeans from her twenties.

The singer, who celebrates her landmark birthday on July 10, marked the end of her thirties by trying on a pair of True Religion jeans she has been keeping for 14 years.