This Tuesday's ratings highlights:

8 pm/ET
Featuring the luminous Gwen Stefani and a kick-ass performance by Gina, the 6 7-minute American Idol drew 26.84 million total viewers, a 2.6 mil drop from a week ago. A Dancing with the Stars recap show (10.8 mil) placed third behind an NCIS repeat.

9 pm
House (22.18 million) topped the hour with 2.3 mil fewer heads than its last fresh outing. DWTS was watched by 17.6 million, a 1.5 mil increase over Season 3's first results show. Pussycat Dolls (2.6 mil) dipped 400K.

10 pm
SVU (12.82 million) was up a mil from its last new entry. A Shark repeat bested the bow of ABC's excruciating Dream Vote thing (6.08 mil, shedding two mil during its back half-hour).