Like many of us, singer Britney Spears enjoys a run to Starbucks now and then. What does the pop princess order? These two ...

For example, if I top up my Starbucks account with $10 using the Starbucks credit card, I'll earn 10 Stars. Once I spend the $10 at Starbucks I'll earn another 20 Stars, for a grand total of 30 Stars.

3½ lemons, juice only 1 lime, juice only 2 tbsp raspberry syrup (from above) 100g/3½oz caster sugar, to taste ice, to serve ...