Tending to injuries--and one baby--a slew of musicians have suddenly engaged the brakes on their tour buses
CHRISTINA AGUILERA
Blaming strained vocal cords, pop's Dirrty girl hung up the chaps on a three-month tour set to start last week. She said she's "extremely disappointed." Moms of tweens are extremely relieved.
CELINE DION
Though she doesn't have to travel to sing at Caesars Palace, Diva Las Vegas has been in pain onstage--so Dion's doctor had her take time off for a neck sprain. This week her show will go back on.
WILLIE NELSON
The country stalwart nixed his May and...