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Exhibit 4.52
 JOINDER TO SHAREHOLDERS AGREEMENT
 Joinder Agreement Company Investor SCL Holder
   1.
    
    Agreement to be Bound. Holder hereby agrees that upon execution of this Joinder, it
shall become a party to the Agreement and shall be fully bound by, and subject to, all of the
covenants, terms and conditions of the Agreement as though an original party thereto and shall
be deemed a Shareholder for all purposes thereof. In addition, Holder hereby agrees that all
Ordinary Shares held by Holder shall be deemed Ordinary Shares for all purposes of the
Agreement.2.
    
    Permitted Transfer. For the avoidance of doubt, the parties agree that (i) the Holder
is a Permitted Transferee of SCL and a member of the SCL Group and (ii) that the Ordinary
Shares held by Holder shall be deemed to be Ordinary Shares held by SCL for all purposes of
the Agreement (including for purposes of Section 8(b) of the Agreement and for purposes of
determining the SCL Minimum Ratio Condition).3.
    
    Rights Particular to SCL. Notwithstanding anything to the contrary in the Agreement
or herein, Holder hereby acknowledges and agrees that none of the rights set forth in the
Agreement that are particular to SCL (including the rights in Section 2(a),
Section 4, Section 5, Section 8 and Section 11 to the
Agreement) shall be deemed to have been Transferred to or inure to the benefit of the Holder
in connection with either the acquisition of Ordinary Shares by Holder from SCL or the
execution of this Joinder and all of such particular rights shall continue to be exercisable
by SCL.4.
    
    Successors and Assigns. Except as otherwise provided herein, this Joinder shall bind
and inure to the benefit of and be enforceable by the Investor and the Company and its and
their respective successors and assigns and Holder and any subsequent holders of Ordinary
Shares and the respective successors and assigns of each of them, so long as they hold any
Ordinary Shares.
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5.
    
    Counterparts. This Joinder may be executed in separate counterparts, including by
facsimile, each of which shall be an original and all of which taken together shall constitute
one and the same agreement.6.
    
    Notices. For purposes of Section 13(k) of the Agreement, all notices,
demands or other communications to the Holder shall be directed to:
 Star NCLC Holdings Ltd.
Suite 1501,
Ocean Centre
Tsimshatsui
Kowloon,
Hong Kong
Attention: Louisa Tam
Facsimile Number: (852) 2268-5463
and, with a copy (which shall not constitute notice) to:
Cleary Gottlieb Steen & Hamilton LLP
One Liberty Plaza
New York, NY 10006
Attention: Daniel S. Sternberg
Facsimile: 212-225-3999
 7.
    
    Governing Law. EXCEPT AS SET FORTH BELOW, THIS JOINDER SHALL BE GOVERNED BY AND
CONSTRUED IN ACCORDANCE WITH THE SUBSTANTIVE LAWS OF THE STATE OF NEW YORK EXCLUDING THE
CONFLICT OF LAW RULES OR PRINCIPLES THAT COULD CAUSE THE APPLICATION OF THE LAWS OF ANY
JURISDICTION OTHER THAN THE STATE OF NEW YORK. ALL MATTERS WHICH ARE THE SUBJECT OF THIS
JOINDER RELATING TO MATTERS OF INTERNAL GOVERNANCE OF THE COMPANY SHALL BE GOVERNED BY AND
CONSTRUED IN ACCORDANCE WITH THE LAWS OF BERMUDA, WITHOUT GIVING EFFECT TO ANY LAW OR RULE
THAT COULD CAUSE THE LAWS OF ANY JURISDICTION OTHER THAN BERMUDA TO BE APPLIED.
 8.
    
    Descriptive Headings. The descriptive headings of this Joinder are inserted for
convenience only and do not constitute a part of this Joinder.
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NCL CORPORATION LTD.By:
    /s/ David Colin Sinclair VeitchName:
    David Colin Sinclair VeitchTitle:
    Deputy Chairman, President and CEOSTAR NCLC HOLDINGS LTD.By:
    /s/ David Chua Ming HuatName:
    David Chua Ming HuatTitle:
    Chairman Acknowledged and Agreed:
STAR CRUISES LIMITEDBy:
    /s/ David Chua Ming HuatName:
    David Chua Ming HuatTitle:
    PresidentNCL INVESTMENT LTD.By:
    /s/ Steven MartinezName:
    Steven MartinezTitle:
    Authorized Person 3