Kanye West and Kim Kardashian’s wedding: Jay Z and Beyoncé are said to perform for $2 million

Kanye West and Kim Kardashian are gearing up for a very expensive wedding. Here are all the details.
Are Kanye West and Kim Kardashian competing for the most expensive wedding of all time?
Judging from an article from RadarOnline, they sure do! The website reports that Kim and Kanye, who are currently spending family time in Europe, have already spent a couple million dollars on the ceremony.
From Kim Kardashian’s $2 million gown, to a rehearsal dinner that costs an estimated $650,000 and top-notch security for $3 million, they are definitely dumping a lot of money in the wedding.
Guests will be treated well as Jay Z and Beyoncé are said to perform a short show for the mere amount of $2 million. Lana Del Rey is also rumoured to perform.
Do you think it is normal that Jay Z & Beyoncé charge Kanye West & Kim Kardashian for their performance?