Socialite-actress Gretchen Barretto denied the accusations of estranged sister Claudine, whose credibility she questioned in light of her supposed mental illness and alleged history of drug abuse.<br /><br />Subscribe to the ABS-CBN News channel! - http://goo.gl/7lR5ep<br />Visit our website at http://www.abs-cbnnews.com<br />Facebook: https://www.facebook.com/abscbnNEWS<br />Twitter: https://twitter.com/abscbnnews<br /><br />For full episodes:<br />http://www.iwantv.com.ph - Philippine viewers<br />http://www.tfc.tv - outside Philippines
