Global superstar Celine Dion speaks out exclusively on how she is coping after the death of her husband and brother; a performance by the hit band Coldplay; "GMA" Senior Medical Contributor Dr. Jennifer Ashton discusses her new book, "Eat This, Not That: When You're Expecting"; young kids give advice to graduating college seniors; "GMA"'s Biggest Waste of Money Series: Groceries – the most common ways we waste money on groceries and tips for turning the waste into savings

Grammy-nominated singer Ariana Grande kicks-off "GMA"'s summer concert series in Central Park's Rumsey Playfield; actor Matt Bomer ("The Nice Guys"); "GMA"'s Biggest Waste of Money Series: Cell Phones – the most common ways we waste money on cell phones and tips for turning the waste into savings