pakistani celebrity ages

I was searching and found ages of some celebrites...take a look guyz...

Pakistani Actors / Singers
Agha Shiraz - June 12
Abrar ul Haq - July 21, 1968
Aijazz Aslam - October 2
Ali Zafar - May 18, 1980
Atif Aslam - March 12, 1983
Azfar Rahman - June 7, 1986
Danish Nawaz - August 4
Danish Taimor - February 16, 1983
Faiq Khan - July 14, 1981
Faisal Qureshi - October 26
Farhan Ally Agha May 12, 1969
Farooq Hassan - August 22
Haroon - May 11
Hassan Ahmed - April 14, 1982
Hassan Niazi - February 3, 1981
Imran Abbas - March 25, 1978
Jawad Ahmed - September 29, 1970
Kamran Jillani - August 5
Nabeel - September 1
Najam Sheraz - August 2, 1975
Nomi Qamar - May 24, 1976
Noor Hassan - May 16
Nouman Ejaz - February 14
Sahir Lodhi - May 21
Sami Khan - July 6, 1980
Shaan - April 27, 1963
Shahood Alvi - May 29, 1973
Shamoon Abbasi - April 4, 1973
Shahzad Roy- February 16, 1977
Shiraz Uppal - January 29
Sohail Sameer - February 19
Umair Leghari - November 26
Yasir Aktar - November 23

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Pakistani Actresses

Aisha Khan - September 27
Angeline Malik - June 24
Anoushey Ashraf - April 14
Atiqa Odho February 12, 1968
Erum Akhtar - August 16
Eshita Mehboob - August 5, 1985
Farhana Maqsood - December 12
Humaima Abbasi - November 18, 1987
Iffat Umar- February 12
Iman Ali - December 19, 1980
Kanwal - February 16
Maria Wasti - August 14, 1974
Meera - July 24, 1976
Nadia Khan - May 22, 1979
Nirma - February 24th
Noor - July 3, 1977
Reema Khan - October 27, 1971
Resham - September 10, 1969
Sarah Chauhdry September 27, 1987
Seemab (Shaadi Online) - October 13, 1985
Tatmain ul Qulb - July 5, 1986
Vaneeza ahmed - June 29, 1971
Veena Malik - February 26, 1980
Zeba Bakthiar- November 5
Zhalay Sarhadi - June 11, 1981

Notice most give their month and day only not the year...WHY