Bill Gates stated that the Bitcoin is the future and that it is better than currency. Would you assume that his statement (as one of the many reasons) added value on Bitcoin which made it stronger and more stable in the system? 
Ofcourse This will surely support bitcoin because we know exactly that news and announcements and comments about the cryptocurrency by the famouse celebrity always leads into increase in the demand .And also most of the people who are not rich and also rich try to follow the Richest person only .
Well here we can see that where we are going with the bitcoin technology and making lots of money and lots of knowledge to manage money in our life .
Here currently the price reached to about $4590/btc , so we can estimate how much the impact on the demand of the bitcoin is and how much it can go up if continuously another bug celebrities can support and give statement positive about bitcoin .