Most of the clothing/background/accessory/other pieces can be gained without spending real-world cash. The game is also free-to-play, meaning you don't have to buy the game first at the app store. However, to generate sales and keep up player interest, LoveNikki also has regular events. Often, there are a few pieces that everyone can get for free. Other pieces can be acquired by using in-game currency diamonds. You can get diamonds for free every day, but it does take quite a while to save up enough to get a lot in an event. And then there is some stuff you can't get except by spending real-world cash. Honestly, I have spent money on this game. I've been playing it for a year and a half, and besides my doll/sewing hobbies, I don't do anything to spend discretionary money, like go to the movies or concerts.
So, LoveNikki has a Facebook page. Every day during the Barbie event, a new code was offered on the Facebook page, and you could enter that code in the game to win items. Most of what was given away were things like stamina, gold coins, and star coins, but if you entered all the codes, you were guaranteed to win Barbie's original swimsuit, black mules, and a pair of white sunglasses for your in-game fashion character to wear. Well, the sunglasses are held in the hand, and not worn. Here's a picture of the dress-up "doll" wearing the outfit. She also has make-up and hair from the two other outfits on offer.
