Praise somebody/something to the skies
Definition 1 of 1
Pro Tip 1/3Emotional Intensity
The phrase implies strong, heartfelt admiration, used when someone is extremely impressed. 
The coach praised the team to the skies for their unbelievable comeback.
Pro Tip 2/3Potential Overstatement
Be cautious as it can sound insincere if the praise appears exaggerated or unwarranted. 
He praised the unremarkable meal to the skies, which seemed a bit much.
Pro Tip 3/3Not Literal
The phrase is hyperbolic and not to be taken literally; 'to the skies' is not a physical place. 
Maggie's friends praised her singing to the skies, but she knew there was room for improvement.