Celebrity siblings KC and Garrie Concepcion, Phil and James Younghusband, and Lotlot and Matet de Leon share their secrets on "SIR."

Discover the life behind the glitz and glamour of showbiz as celebrity siblings KC and Garrie Concepcion; Phil and James Younghusband; and Lotlot and Matet de Leon share their untold life stories in the country’s no.1 Saturday showbiz-oriented talkshow “Showbiz Inside Report.”

How did fate bring Gabby Concepcion’s daughters KC and Garrie together? To whom did football superstars Phil and James seek for comfort after they lost their mother? Did being adopted become an issue for sisters Lotlot and Matet?

Don’t miss the never-before-heard revelations from KC, Garrie, Phil, James, Lotlot and Matet in “Showbiz Inside Report” this Saturday (September 15) after “It’s Showtime,” on ABS-CBN. For more updates, log-on at www.abs-cbn.com, follow @SIRTVOfficial on Twitter, or like the Facebook fanpage http://www.facebook.com/ShowbizInsideReport.AbsCbn.