While some celebrity lines are cracking under the economic strain, others including Jessica Simpson’s, appear to be flourishing. The singer/actress is expanding her popular fashion empire to include swimwear. She has signed a licensing agreement with Red Carter LLC to produce a full range of swimming attire including separates and cover-ups in a variety of bright colours, animal and floral prints. The range will wholesale from $15.50 up to $58, and is set to launch in December 2009.