It's the battle of the L'Oreal spokesmodels as HEATHER LOCKLEAR and Out of Sight star JENNIFER LOPEZ duke it out to be top dog in the hair-care world. Heather wasn't pleased when Jennifer entered her domain and was hired to appear in ads at uncomfortably close to the same salary. Topping it off, Heather fears Jennifer's new ads are more appealing than hers. The Melrose Place star wants a huge raise and more creative control of future commercials.