Possible Clues:

• Possibly a ten-year-old Shetland pony in the middle of Amsterdam
• Youngster is quaint on horse, that girl heading off
• Earliest of talents, 'Little Princess', growing up?
• Fifth grader, often
• Pre-adolescent child, affectedly quaint, developed anger
• Junior say sent up: we aren't upset about that
• Child, rather cutesy, to swim across the Channel
• Pretty wicked daughter, uppity adolescent