Hot and cold celeb couples of summer

HOT: Chad Kroeger and Avril Lavigne
Though Avril Lavigne and Nickelback frontman Chad Kroeger had been keeping their six-month whirlwind courtship under wraps, they recently decided to share their big news with the world ... they're getting married! Kroeger, 37, proposed to Lavigne, 25, on August 9. Their engagement would have been a little hard to keep secret, considering the "Complicated" singer is now sporting a whopper of a 14-carat diamond ... more 

HOT: Chad Kroeger and Avril Lavigne
Though Avril Lavigne and Nickelback frontman Chad Kroeger had been keeping their six-month whirlwind courtship under wraps, they recently decided to share their big news with the world ... they're getting married! Kroeger, 37, proposed to Lavigne, 25, on August 9. Their engagement would have been a little hard to keep secret, considering the "Complicated" singer is now sporting a whopper of a 14-carat diamond ring on her left hand. Lavigne clearly has a thing for musical men. She was previously married to Sum 41 singer Deryck Whibley. less