You can add friends to your Close Friends list to obtain an alert each time they upload. You can turn these notifications off at any time.
Facebook Close Friends
1. Go to their profile
2. Float over friends on top of their profile
3. Select Close Friends
Keep in mind: You can add friends to greater than one list or remove friends from a checklist.
Technique 2
1. Open up the Facebook application.
2. Tap menu symbol in upper ideal corner > Friends
3. In the Friends tab, tap the friend you want to contribute to the Close Friends list to view her/his Facebook web page
4. Tap the Friends button > Edit Friend list
5. Select Close Friends, and afterwards touch Done.