american idol top 7 ratings TV ratings: 'American Idol' dips slightly Wednesday while 'Don't Trust the B    ' holds upFast National ratings for Wednesday, April 18, 2012

“American Idol’s” performance show Wednesday was pretty steady compared to last week, rising slightly in viewers but dropping a couple tenths of a point in adults 18-49. Even with the demographic slide, FOX still easily won the night in all measures.

ABC’s “Don’t Trust the B— in Apt. 23,” meanwhile, turned in a decent performance in its second week, falling only a little bit from its premiere. “Revenge” also returned to ABC with decent numbers.

FOX brought in 16.5 million viewers and a 10.0 rating/16 share in households for the night, more than doubling the viewership of second-place CBS (7.9 million, 5.0/8). ABC came in third with just over 7 million viewers and a 4.5/7. NBC (4.4 million, 2.9/5) finished fourth, and The CW trailed with 1.25 million viewers and a 0.8/1.

FOX also dominated the 18-49 demographic with a 4.7 rating. ABC was the best of the rest at 2.4, followed by CBS at 2.0. NBC posted a 1.2 and The CW a 0.5.

]]>8 p.m. FOX: “American Idol” (15.9 million viewers, 9.7/16 households)
CBS: “Survivor: One World” (9.4 million, 5.7/9)
ABC: “The Middle” rerun (4.7 million, 3.0/5)/”Suburgatory” (5.8 million, 3.7/6)
NBC: “Betty White’s Off Their Rockers” (6.2 million, 3.8/6)/”Best Friends Forever” (3.15 million, 1.9/3)
The CW: “America’s Next Top Model” rerun (1.1 million, 0.8/1) 18-49 leader: “American Idol” (4.6) 9 p.m. FOX: “American Idol” (17.05 million, 10.2/16)
ABC: “Modern Family” (10.1 million, 6.1/9)/”Don’t Trust the B—- in Apt. 23″ (6.6 million, 4.2/6)
CBS: “Criminal Minds” rerun (7.5 million, 4.9/8)
NBC: “Rock Center with Brian Williams” (2.9 million, 1.9/3)
The CW: “America’s Next Top Model” (1.35 million, 0.9/1) 18-49 leader: “American Idol” (4.8) 10 p.m. ABC: “Revenge” (7.6 million, 5.1/9)
CBS: “CSI” rerun (6.7 million, 4.5/7)
NBC: “Law & Order: SVU” (5.7 million, 3.9/6) 18-49 leader: “Revenge” (2.3)

Ratings information includes live and same-day DVR viewing. All numbers are preliminary and subject to change. Source: The Nielsen Company. More ratings at Zap2it: Daily, weekly and cable