How do you make aipom evolve in Pokemon pearl?
Aipom levels up the level after learning Double Hit (32), As long as that move is kept.
To evolve Pokemon by trading, you need to have a copy of diamond, pearl, platinum, heartgold, or soulsilver and two ds systems. Go to the Union Room with the Pokemon you need to trade for both games. Then make one person talk to the other and select trade. Then, select your Pokemon and confirm the trade.