In an unlikely collaboration, Lady Gaga and Jimmy Buffett have teamed up to create an online game, according to the Yahoo! front page:
According to the article, however, Lady Gaga’s and Jimmy Buffett’s games are quite distinct.
So what’s up? The fact is, the yahoo.com editors have once again misled the public with their bad grammar. Since Ms. Gaga and Mr. Buffett each have a game, each must have an apostrophe and an S to show ownership.