<style> #Panel Name .paneltitletext {visibility:hidden !important;} </style>


Replace 'Panel Name' with one of these: 

About Me Panel = aboutme_panel 
Street Team Panel = streetteam_panel 
Outfits Panel = outfits_panel 
Contact Me Panel = contact_panel 
Collectables Panel = collect_panel 
Groups Panel = groups_panel 
Music Panel = music_panel 
Room Panel = room_panel 
Special Someone Panel: special_panel 
Messages panel = messages_panel 
Wish List Panel = wishlist_panel 
Ranking Panel = rankings_panel 
Buddies Panel = friends_panel 
Visitors Panel = visitors_panel 
Cool New People Panel = cool_panel 
Gallery Penel = gallery_panel 
Interest Panel = tagcloud_panel 
New Products Panel = dev_panel 
Blogs Panel = blog_panel 
RSS Panel = rss_panel 
Stickers Panel = stickers_panel 
Contact Panel = contact_panel 
URL Panel = url_panel 

EXAMPLE: 


<style> 
#music_panel .paneltitletext 
{visibility:hidden !important;} 
</style>