On television, Louise has presented editions of SMTV Live, CD:UK, Soccer Aid: Extra Time, This Morning (interviewing fashion designer Tracy Boyd and others), three series of the revived The Clothes Show for UKTV Style, and in March 2007 the controversial documentary The Truth About Size Zero for ITV.
Redknapp has been seen as the face of a number of advertising campaigns: the "Safe And White" campaign for Boots, Flora's "Omega 3" products, Boots and BT. She became brand ambassador for the new Orbit gum in 2007 Complete detox guide to teeth and mouth and a model for Avon.
In autumn 2007, Redknapp was unveiled as the new face of Triumph lingerie for 2007, 2008 and 2009. In November 2008, the Redknapp family were also unveiled as the Nintendo Wii Family for their Christmas 2008 advertising campaign, followed by The Louise Redknapp Nintendo Wii Fit Campaign in March 2009. In 2010, Louise and husband Jamie fronted a new campaign by Thomas Cook promoting their holidays on TV and throughout the media.